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HA1 - Review for Exam #2

Authored by Brook Payton

Mathematics

9th Grade

CCSS covered

Used 4+ times

HA1 - Review for Exam #2
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37 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following inequalities matches the graph here?

10 < x + 1

3 – 4x > -33

5x > 55

7 – 2x > -11

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In making a graph of the solutions of the inequality

|4x – 2| > 26, the first step is to plot the boundary points of

the graph. The boundary points of this graph are:

-6 and 7

-5 and 6

4 and -1

6 and -4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the slope of f(x) is 3 and f-1(6) = 7, which of these is the equation for f-1(x) ?

f-1(x) = 1/3x – 4

f-1(x) = 2x – 1

f-1(x) = 1/3x + 5

f-1(x) = 3x + 1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Based on the triangle below, which value represents a valid length for the third side of the triangle?

12

47

41

7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The sum of two numbers is 150. The first number is twelve less than the other. Which of the following systems of equations could be solved to find these two numbers?

x = y + 150

x + y = -12

x + y = 150

x = y – 12

x = y + 150

x = y – 12

x + y = 150

x – y = 12

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following inequalities matches the graph below?

|x – 50| > 7

|x – 25| > 18

|x + 50| < 7

|x + 25| < 18

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the slope of any line that runs perpendicular to the line 3x – 6y = 8 ?

0.5

-0.5

2

-2

Tags

CCSS.8.EE.B.5

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