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Unit 3.2 Study Guide

Authored by Jullianna Fulghum

Mathematics

8th Grade

CCSS covered

Used 8+ times

Unit 3.2 Study Guide
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36 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

A circle with a radius of 9 units is graphed with its origin. The circle is then dilated by a scale factor of 3 about the origin.

Which two statements are true about the circle's image?

The image's center is at (0,0).

The image's center is not at (0,0).

The image has a radius of 3.

The image has a radius of 9.

The image has a radius of 27.

Tags

CCSS.8.G.A.3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which equation represents a linear function?

y=x2-3

y=4x+3

y= 4

x-8

y=3(x+6)3

Tags

CCSS.8.F.A.3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ΔABC is plotted on a coordinate plane. It is reflected across the x-axis and translated 4 units to the left, resulting in ΔA'B'C'.

Which statement about ∠A' is true?

∠A' = ∠A

∠A' < ∠A

∠A' > ∠A

∠A' = ∠A + ∠B

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Alicia is flying a kite. The kite string is pulled out to a length of 260 feet, and the point where Alicia is holding the string is 240 feet from the point on the ground directly below the kite, as shown in the diagram.

How high is the kite, in feet, above the ground?

20 feet

100 feet

120 feet

354 feet

Tags

CCSS.8.G.B.8

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

Function A is a linear function. Function A is represented by the equation

4x + 3y =15. Function B is also a linear function. The table given shows some of the ordered pairs for Function B.

Which statement(s) are true?

The rate of change for Function A is greater than the rate of change for Function B.

The rate of change for Function A is less than the rate of change for Function B.

The rate of change for Function A is equal to the rate of change for Function B.

The y-intercept for Function A is greater than the y-intercept of Function B.

The y-intercept for Function A is equal to the y-intercept of Function B.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A system of two linear equations in two variables is given below.

y = ⅙x - 3

y = -5 - ⅙x

The given system has no solution.

The solution to the given system is (-6, -4).

The solution to the given system is (6, -6).

The given system has infinitely many solutions.

Tags

CCSS.8.EE.C.8B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of function is represented by the equation 12y = 4(x - 5)?

Linear

Quadratic

Cubic

Exponential

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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