On a math quiz, you earn 10 points for each question answered correctly. In the equation below, x represents the number of questions that you answer correctly on this quiz, and y represents the total number of points you score on this quiz. The relationship between these two variables is modeled by the equation y = 10x. State what the independent and dependent variables are.

The independent variable is x (the number of questions answered correctly). The dependent variable is y (the total number of points scored).

The independent variable is y (the total number of points scored). The dependent variable is x (the number of questions answered correctly).

Both x and y are independent variables.

Both x and y are dependent variables.

Graph the following equation on the coordinate plane: y = -2x - 4

A line with slope -2 and y-intercept -4

A line with slope 2 and y-intercept 4

A line with slope -4 and y-intercept -2

A line with slope 2 and y-intercept -4

Write an equation that represents the table. Then state what the rate of change and initial value are.

The equation is y = 4/3x -8. The rate of change is 4/3 and the initial value is -8.

The equation is y = 2x + 1. The rate of change is 1 and the initial value is 2.

The equation is y = 4/3x -8. The rate of change is -8 and the initial value is 4/3.

The equation is y = 2x + 1. The rate of change is 2 and the initial value is 1.

Given y = 9x + 2, what effect does changing the equation to y = 9x - 10 have on the graph?

The graph shifts down by 12 units.

The graph shifts up by 12 units.

The graph shifts right by 12 units.

The graph shifts left by 12 units.

A rectangular prism has a length of 13 centimeters, a width of 5 centimeters, and a height of 8 centimeters. Find the volume and surface area of the rectangular prism.

Volume = 520 cm³, Surface Area = 418 cm²

Volume = 416 cm³, Surface Area = 350 cm²

Volume = 480 cm³, Surface Area = 390 cm²

Volume = 540 cm³, Surface Area = 400 cm²

A right cylinder has a diameter of 12 inches and a length of 11 inches. Find the volume and surface area of the right cylinder.

Volume = 1,244.1 in³, Surface Area = 640.9 in²

Volume = 1,000.00 in³, Surface Area = 700.00 in²

Volume = 900.00 in³, Surface Area = 800.00 in²

Volume = 1,500.00 in³, Surface Area = 950.00 in²

A right cylinder has a radius of 8 meters and a height of 4 meters. What is the volume and surface area of the right cylinder in terms of pi?

Volume = 256π m³, Surface Area = 192 m²

Volume = 345π m³, Surface Area = 92π m²

Volume = 128π m³, Surface Area = 192π m²

Volume = 128π m³, Surface Area = 192 m²

Consider the data set: {45, 47, 50, 44, 20, 60, 55, 102, 58}. If the outliers were to be removed, how would this affect the mean and median?

Mean would decrease and median would remain the same.

Both mean and median would increase.

Both mean and median would decrease.

Mean would increase and median would decrease.

What is the theoretical and experimental probability of the spinner landing on each color? Give the fraction and decimal answer.

Theoretical probability for each color = 1/6 = 0.167. Experimental probability: Green = 11/50 = 0.22, Yellow = 4/50 = 0.08, Blue = 7/50 = 0.14, White = 3/50 = 0.06, Orange = 12/50 = 0.24, Pink = 13/50 = 0.26.

Theoretical probability for each color = 1/5 = 0.2. Experimental probability: Green = 10/50 = 0.20, Yellow = 5/50 = 0.10, Blue = 8/50 = 0.16, White = 4/50 = 0.08, Orange = 11/50 = 0.22, Pink = 12/50 = 0.24.

Theoretical probability for each color = 1/4 = 0.25. Experimental probability: Green = 12/50 = 0.24, Yellow = 6/50 = 0.12, Blue = 9/50 = 0.18, White = 5/50 = 0.10, Orange = 10/50 = 0.20, Pink = 8/50 = 0.16.

Theoretical probability for each color = 1/8 = 0.125. Experimental probability: Green = 9/50 = 0.18, Yellow = 7/50 = 0.14, Blue = 6/50 = 0.12, White = 2/50 = 0.04, Orange = 13/50 = 0.26, Pink = 13/50 = 0.26.

Find the probability for the following situation: Drawing a Queen AND rolling an even number.

Probability = (4/52) x (3/6) = 1/26 ≈ 0.038.

Probability = (4/52) x (2/6) = 2/39 ≈ 0.051.

Probability = (3/13) x (1/2) = 3/26 ≈ 0.115.

Probability = (1/4) x (1/3) = 1/12 ≈ 0.083.

Semester Test Study Guide

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Semester Test Study Guide

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8th Grade

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Practice Problem

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CCSS

8.EE.A.1, 8.EE.C.7A, 6.EE.A.1

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Rachel Throgmorton

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37 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Circle which real numbers are irrational.

√6, π

2, 3

4, 9

1, 0

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CCSS.8.NS.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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CCSS.6.EE.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rewrite the expression using exponents. (9)(9)(9)(−7)(−7)(−7)(−7)

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CCSS.6.EE.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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CCSS.8.EE.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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CCSS.8.EE.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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CCSS.8.EE.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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CCSS.8.EE.A.1

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Semester Test Study Guide

37 questions

Circle which real numbers are irrational.

Rewrite the expression using exponents. (9)(9)(9)(−7)(−7)(−7)(−7)

Is the graph a function? If it is, state if it is a nonlinear or a linear function.

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