Teaching Math in the Intermediate Grades

Which of the following table of values shows an example of exponential function?

Given the triangle below, the legs are

• AB & BC
• BC & AC
• AC & CB
• AB & BA

To verify if k(x) = x/2 - 7 and j(x) = 2x + 7 are inverses of each other, the first step is:

The unknown measurement of the side of the triangle below is

Is cos (α + β) = cos α cos β - sin α sin β?

• True
• False

The parts of the right triangle are

• Angles and legs
• Two legs and hypotenuse
• Three legs
• Leg and hypotenuse

From the figure below, the trigonometric function to be use if the given ratio 37/35 is

• sec π
• sin ϕ
• csc π
• cos π

Degree is a unit measure for angles.

• True
• False

A clockwise direction is a positive measurement.

• True
• False

The reference angle of the given figure below is:

• 1180
• 620
• 280
• 1520

If the length of two legs were given, then the right triangle may be solve.

• True
• False

Which of the following polynomial function has a degree of 3?

The initial side is found in either x or y - axis.

• True
• False

A polynomial function is defined as the sum of monomials.

• True
• False

Given the polynomial function f(x) = (x + 5)(x - 7)(x + 3), what is the first step to graph it.

In △PAN, P = 27.5°, A = 90°, what is the angle measurement of N?

Given the rational function (x+3)/5 = (x-7)/(x+1), what is the first step to solve it?

• Subtract x + 7 on both sides
• Multiply both sides by (5)(x + 1)
• Add x + 1 on both sides
• Divide both sides by x + 3

The value of x in the function k(x) = -x + 3 is -3.

• True
• False

Identify ¾ as irrational or rational.

The value of the unknown side is ____.

What is the next step if you’re going to derived the identity 1 – cos2 x = sin2 x and to equated to 1?

A counterclockwise direction makes a negative degree measurement.

• True
• False

cosine 900 is equal to 1.

• True
• False

What is the leading coefficient of the polynomial function h(x) = x3 + 2x4 - x7 + 12 -13x?

Convert 53 = y to logarithmic form.

The following are the steps in solving the x of the function 32x + 7 = 27. What is the correct step?

cosine – 600 is equal to - √3/2.

• True
• False

The Greek name for σ is rho.

• True
• False

-900 is equivalent to - π/2 radians.

• True
• False

Hypotenuse is the longest side of a right triangle.

• True
• False

Initial side of an angle is the one that rotates.

• True
• False

The reciprocal of cosine is sine.

• True
• False

π is equivalent to 1800.

• True
• False

Using trigonometric functions, it can find and solve the unknown angles.

• True
• False

Students are in groups. One student in the group works out the problem while the others closely observe.

• Less Effective Instructional Decisions

The trigonometric function to be use in order to solve x is ____.

• cosine
• tangent
• sine
• secant

Evaluate sin(900 + 300), using sum and difference formula.

• 1
• √3/2
• √3/4
• 1/2

The following degree measurements are found in Quadrant I, except

The students in Mr. McCollum's class are talking to each other about math problems.

• More Effective Instructional Decisions

The cofunction of cotangent is tangent.

• True
• False

K is the capital letter for kappa.

• True
• False

What is the measurement of the other leg if the hypotenuse is 12 and the shortest leg is 3?

From the exponential function g(x) = ax, either a or x cannot be negative integer.

2π is equals to 3600.

• True
• False

What is the ratio of tan λ, using the figure below

• f/g
• g/e
• g/f
• f/e

Which of the following polynomials has 3 terms?

What is the value of the exponential function h(-3) = 3x – 2?

What is the quadrant of -1800?

Is any number which can name a location on a number line Every location on a number line can be called in some way by a ___________.

• Real Numbers

The Law of Cosines may apply if the given are two angles and the included side.

• True
• False

Identify √2 as s irrational or rational.

– 3120 can be found at Quadrant IV.

• True
• False

Which of the following is the graph of a polynomial function if the leading coefficient is positive and the degree is even?

What is the value of g in the logarithmic form log 4 1024 = g?

• 4
• 3
• 7
• 5

The unknown value of q in 4q = 4096 is 7.

• True
• False

What is the degree of the polynomial function m(x) = -6x5 + x4 – 3x7 + 10

• -2
• 7
• -6
• 10

What is the unknown measurement of the side of the right triangle below?

Simplify sin x sec x/tanx .

The exponential form of log b d2 = e is

1800 is equivalent to p radians.

• True
• False

The counting numbers (1, 2, 3, ...), and their counterparts (-1, -2, -3, ...), and zero are __________.

• Integers

The log b 25 = 2 is equivalent to 2b = 25.

• True
• False

Simplify: f(-5) = 4b2 + 8b - 35

The remainder theorem is used to find the remainder of two polynomials.

• True
• False

If you convert -43 = -64 to logarithmic form, the answer: is log -4 -64 = 3

• True
• False

The sin value of 1800 is

Cos 1150 is equal to cos( 300 + 600 + 150)

What is the logarithmic form of dr = ba ?

• log r ba = d
• log d b= ra
• log d ba = r
• log r d= ba

The graph below shows

Using the polynomial function f(x) = 5x2 + 21, what is the value of the unfilled box in the table of values below.

The following may be seen in a right triangle, EXCEPT

Subtract 4 cot2 x – 3 cot x + 12 from -5 cot2 x – 3 cot x – 11.

Which of the following is the graph of a polynomial function?

Is csc2 θ = 1 – cot2 θ?

• True
• False

The first three trigonometric functions are sine, cosine and tangent.

• True
• False

the counting numbers, this set holds all of the whole numbers except zero (1, 2, 3, ....)

• Natural Numbers

The inverse of the function of f(x) = x -12 is g(x) = x + 12.

• True
• False

The ratio of cot θ is ____.

All angles belongs to Quadrant III, which is not

The following are all exponential function except

• g(x) = x5
• g(x) = bx
• –g(x) = 2xx-1
• g(x) = -3x

The following are the fundamental identities except

The following are equal to 1, except

What is the other identity you can derived from 1 + cot2 x = csc2 x?

The graph of an exponential functions has 3 or more turning points

• True
• False

How many terms does the polynomial function n(z) = 4 + z5 – 5z2 – 0 + 12z7 has?

If the hypotenuse and one acute angle were given, all unknowns of the oblique triangle may be solve.

• True
• False

The following are the ordered pairs in a unit circle, which is NOT?

The given polynomial function is h(x) = (x - 3)(x + 5) (x - 1)(2x - 1)(x + 7), what is the degree of the function?

From the unit circle, the ordered pair (0, 1) can be found along x-axis at the left.

Convert -3150 to radian measure.

If the polynomial functions leading coefficient is negative and the degree is odd, where do the graph starts?

Reference angles are angles that are less than 900 and always positive.

• True
• False

If we solve f(x) = x - 7, the value of x is 7.

• True
• False

What is the value of x in (x+8)/(2x-5) = -3?

Simplify: log 7 49 = x – 4.

In 900 position of the terminal side in a unit circle, the value of cosine is

Identify √5 as irrational or rational.

(-3π)/2 belongs to quadrant?

• Quadrant II
• Quadrant I
• Quadrant III
• Quadrant IV

sin 2100 is equal to -1/2

• True
• False

What is the trigonometric function to be use to solve for y?

Oblique triangles are solved using the Pythagorean Theorem.

• True
• False

Evaluate the polynomial function f(3) = 2x3 + 3x2 - 7x - 51.

• 9
• 54
• -36
• -27

Mr. Roberts stimulates students' curiosity and encourages them to investigate further by asking them questions that begin with, "What would happen if..?"

• More Effective Instructional Decisions

In what quadrant does 5π/9 belong?

How many terms does the polynomial function g(x) = 7x2 + 3x3 - 12 + 24x6 - x4 has ?

• 6
• 5
• 7
• 1

Is tanθ/cotθ = 1?

• True
• False

Subtract:

What is the function to be use to solve x?

Which of the following is the symbol for eta?

• ε
• β
• θ
• H

Which of the following is coterminal of 900?

3 sin x + 2 sin2x cannot be added because they don’t have similar terms

• True
• False

Is sin (α + β) = sin α cos β - cos α sin β?

• True
• False

What is the degree of the polynomial function m(x) = 5x3 + 3x7 - 2x4 + x9 - 18?

• 5
• 9
• 1
• 3

What is the quotient when you divide cot3 x – sec3 x by cot x – sec x?

What is the remainder when you divide x3 - 1 to x - 1?

All angles has a reference angle of 300, except

Using the exponential function g(x) = 22x + 3. Complete the table below.

The name of the Greek letter ξ is _______.

The value of x is ____.

if you’re going to sketch the graph of f(x) = 7sin Θ. 7 stands for

The value of sin 300 is

Solve for y

What is the value of cos – 300?

What must be the value of the unknown in the box to make it an exponential function?

The sum of the trigonometric functions 2 sin x + 5 and 4 - sin x is

What is the value of b in 6b = 1/36?

The symbol i is called ________.

The following measurements can be found in Quadrant III, except

• -2400
• 120
• (-2π)/3
• (-5π)/6

What is the value of x?

• 12.35
• 11.67
• 13.78
• 10.2

If the smallest leg of a right triangle measure 5cm and the other leg measure 12 cm, how long is the longest side?

Given the rational function (x+10)/2x = 5, what is the first step to simplify it?

• Multiply both sides to 2x
• Subtract 5 to both sides
• Divide the right side to 2x.
• Switch 5 and 2x.

n degrees, what is the equivalent value of 7π/8 ?

What is the value of x in the function h(x) = -2x + 12?

• 3
• 6
• -4
• 12

The graph of f(x) = 7x and f(x) = 7x – 3 swift to the right and going down.

• True
• False

Coterminal angles are the same degrees.

The following are all exponential functions, except

Evaluate cos(900 + 900)

Is sin2θ cos2θ = 1?

• True
• False

The leading coefficient of the polynomial function b(x) = 8 + 5x3 - 7x8 + 12x5 - x is 8.

• True
• False

In what quadrant do -1000 lies?

Given the polynomial function: p(x) = 2x + 7x4 – x2 + 3x3 -13 + x5, which of the following is the correct arrangement in ascending order?

36250 can be found at quadrant?

- 2π and 2π can be found at two opposite direction

• True
• False

1.7 is a rational number

• True
• False

The unknown value of q in the exponential function 3q = 243 is 5.

• True
• False

What is the remainder if 2x5 - 2x4 + 12 is divided by x - 2?

Ms. Lopez ensures that her students do not get lost by requiring them to stop when they finish an assignment and wait for others to finish

• Less Effective Instructional Decisions

The ascending order of a polynomial function is if the exponents are arranged from smallest to highest.

• True
• False

When do graph of exponential function goes down?

Mr. Swanson believes that all students should get the same instruction at the same time. To accomplish this he only uses whole group instruction.

• Less Effective Instructional Decisions

What is the exponential form of log 12 d = k

In arranging the polynomial function b(x) = 8 + 5x3 - 7x8 + 12x5 - x in descending order, the last term is - x.

• True
• False

The Pythagorean Theorem was formulated by Pythagoras of Italy.

• True
• False

What is the coterminal of -700 ?

Which of the following is the sum of 3 cos x + 12 and 5cos x - 8?

• 8 cos x + 4
• 2 cos x + 4
• 8 cos x - 4
• 2 cos x - 4

Find the value of z in 2/(z+5) = 12

• -26/9
• -58/12
• -29/6
• -15/4

Find y in the exponential function 7y - 8 = 49?

Express the sum and difference of cos 300.

What is the reference angle of 1600?

Which of the following function is properly arranged in descending order?

• j(x) = x2 + 2x3 - 3x4 + 4x5
• f(x) = x7 + 5x4 – 4x3 – 3x2 + 2x - 1
• h(x) = x3 + x2 - x4 + 15
• g(x) = 10x3 - 8x4 + 6x5 - 4x6 + 2x

You may apply the Law of Sines if two sides and an angle opposite one of these sides are given or the SSA.

• True
• False

The trigonometric function of the ratio 7/25 is

-3000 is equal to _____ radians.

• (-5π)/3
• (-4π)/3
• π/4
• (-3π)/2

The following are all coterminal of 1350, except

In what quadrant does -2100, can be found?

Which of the following is equal to tan x?

The following are coterminal of 900, except

• -2700
• 2700
• -6300
• 4500

10000 belong to what quadrant?

When arrange in ascending order, the last term of the polynomial function m(x) = -6x5 + x4 – 3x7 + 10 must be?

• + x4
• +10
• -3x7
• -6x5

A triangular parcel of land with points E, F, G was to be fenced. ∠E = 47° and ∠F = 78°. EG = 180m. What is the measurement of ∠G?

Divide 12 tan4 x + 8 tan3 x – 10 tan2 x – 6 tan x by 2 tan x.

• 6 tan3 x + 4 tan2 x – 5 tan x + 3
• 6 tan3 x - 4 tan2 x + 5 tan x – 3 tan x
• 6 tan3 x + 4 tan2 x – 5 tan x - 3
• 6 tan4 x + 4 tan3 x – 5 tan2 x – 3 tan x

- 3π/4 is equal to how many degrees?

It refers to the position of the terminal sides of different degrees and yet located at the same position.

Convert 34 = d in logarithmic form.

In simplifying the exponential function 32x + 7 = 27, the value of x is

• 2x = -4
• x = - 2
• x = 2
• x = -4

At the end of class Ms. Stark collects everyone's worksheet and grades them.

• At the end of class Ms. Stark collects everyone's worksheet and grades them.
• Answer:
• Less Effective Instructional Decisions

Simplify the function k(-3) = 3y4 + 2y5 - 21 11. Simplify the function k(-3) = 3y4 + 2y5 - 21

What is the equivalent of -3.5π in degrees?

• 6800
• 5800
• 6300
• 6500

Two students are working problems on the board while the rest of the class watches.

• Less Effective Instructional Decisions

Any real number that cannot be expressed in fractional form is an __________.

• Irrational Numbers

The unit circle is similar with coordinate plane.

• True
• False

cos θ is equal to 1/sec⁡θ .

• True
• False

A clockwise direction is same as the movements of the hands of a clock.

• True
• False

Students have done their work on chart paper and are holding the chart paper while explaining to the class how their reached their conclusions.

• More Effective Instructional Decisions

The reciprocal of tangent

• secant
• cosecant
• cosine
• cotangent

Simplify: log 3 92x = x + 12

What is the ratio of sin β?

Students read about the history of the Pythagorean Theorem. After reading, they solve problems using the theorem. Students then write about what they did compared to original uses of the Pythagorean Theorem.

• More Effective Instructional Decisions

The maximum point is the highest point a graph reach.

• True
• False

Using the exponential function, e(x) = 4x, continue the value of f(x) from the table below.

Using the triangle below, which is the hypotenuse?

The reciprocal of sine is

The cofunction of cosecant is cosine.

If sin α= 2/7, then cos α = 7/2.

• True
• False

- 4π/3 is equivalent

Radian uses the symbol π .

• True
• False

What is the length of side y?

What is the trigonometric function with a ratio adjacent/opposite

• cosecant
• cosine
• tangent
• cotangent

When you substitute -3 in the polynomial function a(x) = 7x3 + 8x2 + 20, the value of x is 135.

• True
• False

The graph of the cosine functions always passes through the origin

• True
• False

What is the exponential function of the table below?

• g(x) = 2x
• g(x) = -2x
• g(x) = -3x
• g(x) = -2x- 1

A rational function is the quotient of two polynomials

• True
• False

π radian is equivalent to 1800

• True
• False

The expression log g k = w is read as "The logarithm of g base k is w."

• True
• False

What is the direction of the graph of the exponential function f(x) = 5-x?

Which of the following is the ordered pair for 3600?

Zero and positive integers are the __________.

• Whole Numbers

Which of the following is the cofunction of secant?

• cosecant
• cotangent
• cosine
• tangent

In arranging the polynomial function h(x) = 2x + 3x5 - 7x3 + 22, in ascending order, the first term is 3x5.

• True
• False

If the length of the hypotenuse and one leg of a right triangle were known, the right triangle can be solve.

• True
• False

The following angles belong to quadrant IV, except

What is the coterminal of 00?

The exponential function of the graph below is:

The unknown value of m in m7 = 2187 is 3.

• True
• False

Solve: 2 csc x(3 – 2csc x + csc2 x)

is any number which can be written in a fractional form.

• Rational Numbers

The symbol of omega in lower case and upper case are ω and Ω

• True
• False

Which of the following is the inverse of d(x) = 3/x + 4?

Which of the following angle is in standard position?

Base is where the exponent affixes

• True
• False

The answer: for -73 = ___ is?

A rational function is the product of two polynomials.

The simplified form of sec2 x – 1 + tan2 x is

The ratio for cosecant is

What is the cofunction of cotangent?

• tangent
• sine
• cosine
• secant

The inverse of 2x + 5 is 2/x-5

What is (-3π)/11 in degree measures?

John Napier is the one who first used the term logarithm.

• True
• False

A polynomial function is defined as the product of monomials.

• True
• False

In Pythagorean identity, The following are equal to 1, except

The degree of the polynomial function in one variable is the largest exponent of its variable.

• True
• False

An exponential function is represented as g(x) = x3.

• True
• False

Convert 9000 to radian measure.

• 5π
• -5π
• 2π
• 4π

Students are acting out a problem in front of the class. Others in the class participate in a discussion of the problem.

• More Effective Instructional Decisions

The ratio for cosine is

Which of the following is considered as an exponential function?

What is the first step in solving the exponential function -3x + 5 = 81?

What is the value of x in the function g(x) = 2x - 1?

• 1/2
• -1
• 2
• (-1)/2

The following are in standard position, except