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Algebra Review

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Algebra Review
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the error?

They needed to make the 12 a negative

They did not add -4x+7x correctly

They divided wrong

No error

Tags

CCSS.HSA.REI.A.1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the error?

They should not have added 3x

They added 5+19 wrong

They divided 2/24 wrong

No error

Tags

CCSS.HSA.REI.A.1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A student tried to solve the following equation but made a mistake. Choose the step in which the mistake first appears.


Step 1: 9 - 5(2x + 1) = -28

Step 2: 4(2x + 1) = -28

Step 3: 8x + 4 = -28

Step 4: 8x = -32

Step 5: x = -4

Step 2

Step 3

Step 4

Step 5

Tags

CCSS.HSA.REI.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In which step was the error made.


6(x + 2) - 7 = 5(x - 3)


Step 1: 6x + 12 - 7 = 5x - 15

Step 2: 6x + 5 = 5x - 15

Step 3: x + 5 = -15

Step 4: x = -10

Step 1

Step 2

Step 3

Step 4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

a = b + c   , for  c

c = a - b

c = a + b

c = ab

c = a / b

Tags

CCSS.HSA.REI.B.3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the equation for w.  
x = w / a

w = a / x

w = x / a

w = ax

x = wa

Tags

CCSS.HSA.CED.A.4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve for n:
2m - n = 8

n = 2m - 8

n = -2m - 8

n = 2m + 8

n = -2m + 8

Tags

CCSS.6.EE.C.9

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