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Module 2 Test Review

Total questions: 20

Worksheet time: 2hrs 6mins

Name
Class
Date
1.

Solve: -3a + 8 = 14

a)

a = -2

b)

a = -7.5

c)

a = 2

d)

a = 6

2.

Solve: 8v - 4(v + 8) = 8

a)

v = 2

b)

v = 10

c)

v = 4

d)

v = -4

3.

solve: 2x - 3 + 4x = 27

a)

x = 12

b)

x = 4

c)

x = 5

d)

x = 15

4.
-11 + 3(b + 5) = 7
a)
1
b)
-1
c)
3
d)
-3
5.

Solve: 7(1 - y) = -3(y - 2)

a)

y = 1/4

b)

y = 4

c)

y = 5

6.
About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many computers would you expect to have?
a)
39 Computers
b)
4.3 Homes
c)
39 Homes
d)
4.3 Computers
7.
A 6-ounce package of fruit snacks contains 45 pieces. How many pieces would you expect in a 10-ounce package?
a)
75 Pieces
b)
27-ounces
c)
27 pieces
d)
75-ounces
8.
Solve for b 
a)
8
b)
17/12
c)
4/3
d)
1/8
9.
Solve for y:
5x - y = 16
a)
-y = 5x + 16
b)
y = 5x + 16
c)
x = 5y - 16
d)
y = 5x - 16
10.
Solve the equation for w.  
x = w / a
a)
w = a / x
b)
w = x / a
c)
w = ax
d)
x = wa
11.
Solve:
C = 2πr, for r
a)
C/(2π) = r
b)
C + 2π = r
c)
C - 2π = r
d)
2πC = r
12.
|-2 - 4n| = 34
a)
n = -9, n = 8
b)
n = 9, n = 8
c)
n = -9
d)
n = 8
13.

Find the error in the problem below

19 - 2k = 3k - 1

+3k +3k

19 + 1k = -1

-19 -19

k = -20

a)

They should have divided by 1 for the last step

b)

They should add 19 instead of subtracting 19

c)

I can not find an error

d)

Instead of adding 3k they should subtract 3k

14.

Which equation below would give you the answer no solution?

a)

3x + 3 = 3x + 3

b)

3x + 3 = 6x + 6

c)

3x + 3 = 3x + 2

d)

3x + 3 = 0

15.

Which equation below would give you an answer of infinite solutions (all real numbers)?

a)

4x + 10 = 0

b)

4x + 10 = 4x

c)

4x + 10 = 4x + 8

d)

4x + 10 = 4x + 10

16.
Find the Error
What error did the student make when solving the equation:
5x + 6 =  66
5x - 6 = 66 -6
5x = 60
5*5x= 60*5
x = 300
a)
The student subtracted 6 from both sides instead of adding
b)
Student multiplied by 5 instead of dividing by 5
c)
Student got the wrong answer when subtracting 66-6
d)
The student did not correctly eliminate the variable from one side of the equation
17.

Which equation is equivalent to the equation 5x+30=455x+30=45  ?

a)

35x=4535x=45  

b)

5x=755x=75  

c)

5(x+30)=455\left(x+30\right)=45  

d)

5(x+6)=455\left(x+6\right)=45  

18.

Cayden has eaten 4 bags of Baked Flamin' Hot Cheetos today. He can eat 2 bags every hour. How many bags of Cheetos will Cayden eat today? Write an equation.

a)

y=4x+2

b)

y=2x+4

c)

y=2x-4

d)

y=4x-2

19.

Bria charges a flat fee of $45 to babysit and chargers $5.50 per hour. Write an equation to model this.

a)

y=45x+5.5

b)

y=45x-5.5

c)

y=5.5x+45

d)

y=y=5.5x-45

20.

Trin-dawg originally has 7 NBA YoungBoy songs on her phone. She downloads 3 songs per minute. Write an equation to model this situation.

a)

y=7x+3

b)

y=3x+7

c)

y=-3x+7

d)

y=7x-3