Teaching Math in the Intermediate Grades

The value of sin 300 is

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

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

• True
• False

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

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

• True
• False

When do graph of exponential function goes down?

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

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

36250 can be found at quadrant?

1800 is equivalent to p radians.

• True
• False

If sin α= 2/7, then cos α = 7/2.

• True
• False

What is the function to be use to solve x?

Given the triangle below, the legs are

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

π is equivalent to 1800.

• True
• False

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

• True
• False

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

• True
• False

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

• 1
• √3/2
• √3/4
• 1/2

A polynomial function is defined as the product of monomials.

• True
• False

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

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

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

• 9
• 54
• -36
• -27

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

• f/g
• g/e
• g/f
• f/e

Is tanθ/cotθ = 1?

• True
• False

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 following are all coterminal of 1350, except

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

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

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

Which of the following is the ordered pair for 3600?

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

• True
• False

Simplify: log 7 49 = x – 4.

The maximum point is the highest point a graph reach.

• True
• False

What is the value of x?

• 12.35
• 11.67
• 13.78
• 10.2

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

• True
• False

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

• True
• False

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

• True
• False

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

Initial side of an angle is the one that rotates.

• True
• False

The unknown measurement of the side of the triangle below is

The ratio for cosecant is

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

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

• True
• False

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

The ratio for cosine is

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

• 3
• 6
• -4
• 12

The following are in standard position, except

Convert -3150 to radian measure.

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

The parts of the right triangle are

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

A counterclockwise direction makes a negative degree measurement.

• True
• False

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

• True
• False

Solve: 2 csc x(3 – 2csc x + csc2 x)

All angles has a reference angle of 300, except

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

• Irrational Numbers

Is sin2θ cos2θ = 1?

• True
• False

Convert 53 = y to logarithmic form.

The exponential form of log b d2 = e is

The name of the Greek letter ξ is _______.

What is (-3π)/11 in degree measures?

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

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

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

What is the value of cos – 300?

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

• True
• False

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

• True
• False

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

• True
• False

The reciprocal of sine is

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

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

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

• True
• False

Subtract:

Which of the following is the cofunction of secant?

• cosecant
• cotangent
• cosine
• tangent

The value of the unknown side is ____.

- 4π/3 is equivalent

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

10000 belong to what quadrant?

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

• More Effective Instructional Decisions

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

• cosine
• tangent
• sine
• secant

Which of the following polynomials has 3 terms?

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

• True
• False

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

• True
• False

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

• -2
• 7
• -6
• 10

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

• True
• False

Identify √5 as irrational or rational.

- 3π/4 is equal to how many degrees?

The Greek name for σ is rho.

• True
• False

The following are coterminal of 900, except

• -2700
• 2700
• -6300
• 4500

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

Express the sum and difference of cos 300.

The answer: for -73 = ___ is?

Simplify sin x sec x/tanx .

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

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

The reference angle of the given figure below is:

• 1180
• 620
• 280
• 1520

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

• 5
• 9
• 1
• 3

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

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

• + x4
• +10
• -3x7
• -6x5

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

• True
• False

The ratio of cot θ is ____.

The unit circle is similar with coordinate plane.

• True
• False

π radian is equivalent to 1800

• True
• False

2π is equals to 3600.

• True
• False

In what quadrant does -2100, can be found?

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

• True
• False

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

The following measurements can be found in Quadrant III, except

• -2400
• 120
• (-2π)/3
• (-5π)/6

Which of the following is the symbol for eta?

• ε
• β
• θ
• H

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

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

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

The following are all exponential functions, except

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

• True
• False

(-3π)/2 belongs to quadrant?

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

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

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

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

Which of the following angle is in standard position?

What is the trigonometric function with a ratio adjacent/opposite

• cosecant
• cosine
• tangent
• cotangent

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

cosine – 600 is equal to - √3/2.

• True
• False

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

• 4
• 3
• 7
• 5

Oblique triangles are solved using the Pythagorean Theorem.

• True
• False

The following are all exponential function except

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

Zero and positive integers are the __________.

• Whole Numbers

What is the exponential form of log 12 d = k

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

• Less Effective Instructional Decisions

What is the exponential function of the table below?

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

The Pythagorean Theorem was formulated by Pythagoras of Italy.

• True
• False

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

• True
• False

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

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

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

– 3120 can be found at Quadrant IV.

• True
• False

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

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

• True
• False

Hypotenuse is the longest side of a right triangle.

• True
• False

Convert 34 = d in logarithmic form.

The graph below shows

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

Using the triangle below, which is the hypotenuse?

The value of x is ____.

A rational function is the product of two polynomials.

What is the reference angle of 1600?

Evaluate cos(900 + 900)

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

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

Which of the following is equal to tan x?

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

• True
• False

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

• 6
• 5
• 7
• 1

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

• 1/2
• -1
• 2
• (-1)/2

A clockwise direction is a positive measurement.

• True
• False

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

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

What is the logarithmic form of dr = ba ?

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

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

• Rational Numbers

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

• True
• False

Simplify: log 3 92x = x + 12

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

What is the quadrant of -1800?

-900 is equivalent to - π/2 radians.

• True
• False

The sin value of 1800 is

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

• True
• False

The following are the fundamental identities except

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

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

The exponential function of the graph below is:

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

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

• True
• False

Radian uses the symbol π .

• True
• False

The following are equal to 1, except

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

• True
• False

What is the coterminal of 00?

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

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

What is the length of side y?

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

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 reciprocal of tangent

• secant
• cosecant
• cosine
• cotangent

Is csc2 θ = 1 – cot2 θ?

• True
• False

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

All angles belongs to Quadrant III, which is not

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

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

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

• Less Effective Instructional Decisions

What is the cofunction of cotangent?

• tangent
• sine
• cosine
• secant

Identify ¾ as irrational or rational.

A rational function is the quotient of two polynomials

• True
• False

In what quadrant does 5π/9 belong?

Which of the following is considered as an exponential function?

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

• True
• False

The following degree measurements are found in Quadrant I, except

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

• True
• False

K is the capital letter for kappa.

• True
• False

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?

What is the coterminal of -700 ?

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

In what quadrant do -1000 lies?

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

• 2x = -4
• x = - 2
• x = 2
• x = -4

Degree is a unit measure for angles.

• True
• False

cosine 900 is equal to 1.

• True
• False

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

• True
• False

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

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

• Natural Numbers

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

sin 2100 is equal to -1/2

• True
• False

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

• Integers

The following angles belong to quadrant IV, except

Identify √2 as s irrational or rational.

The trigonometric function of the ratio 7/25 is

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

What is the equivalent of -3.5π in degrees?

• 6800
• 5800
• 6300
• 6500

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

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

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

• True
• False

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

• True
• False

Which of the following is coterminal of 900?

The following may be seen in a right triangle, EXCEPT

The reciprocal of cosine is sine.

• True
• False

Convert 9000 to radian measure.

• 5π
• -5π
• 2π
• 4π

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

• -26/9
• -58/12
• -29/6
• -15/4

-3000 is equal to _____ radians.

• (-5π)/3
• (-4π)/3
• π/4
• (-3π)/2

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

• True
• False

The cofunction of cosecant is cosine.

A polynomial function is defined as the sum of monomials.

• True
• False

cos θ is equal to 1/sec⁡θ .

• True
• False

The cofunction of cotangent is tangent.

• True
• False

The symbol i is called ________.

The graph of the cosine functions always passes through the origin

• True
• False

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

Solve for y

Base is where the exponent affixes

• True
• False

Coterminal angles are the same degrees.

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

• True
• False

What is the ratio of sin β?

1.7 is a rational number

• True
• False

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

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

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.