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WorksheetsUnit 3 Review (Expressions & Equations)
Total questions: 25
Worksheet time: 57mins
Name
Class
Date
1.
a)
39/20
b)
17
c)
48/16
d)
39/4
2.
a)
1/4
b)
2/2
c)
1
d)
2/4
3.
a)
28/24
b)
24/18
c)
18/24
d)
14
4.
What is the value of the expression 2(3n-15) when n=14?
a)
27
b)
54
c)
69
d)
99
5.
Which of the following describes the number 6 in the equation 6z=12
a)
Term
b)
Variable
c)
Coefficient
d)
Constant
6.
Matt took p pictures on a class field trip. Alicia took 18 pictures. Jose took twice as many pictures as both Matt and Alicia. Which expression represents the number of pictures Jose took on the field trip?
a)
p+18
b)
2p+18
c)
18(p+2)
d)
2(p+18)
7.
5(a + 6)
a)
5a + 6
b)
a + 30
c)
5a + 30
d)
5a - 30
8.
Which expression represents "x cubed less than 7"?
a)
x3 - 7
b)
3x - 7
c)
7 - x3
d)
7 - 3x
9.
The algebraic expression 6x - 4 can be written as which of the following?
a)
x to the sixth power decreased by four
b)
The product of six and a number x decreased by four
c)
Six times a number x less than four
d)
four less than six
10.
I open a saving account with $200 and plan to put $50 per month in the account.
Which expression represents this situation after x number of months?
Which expression represents this situation after x number of months?
a)
200 + 50x
b)
200x + 50
c)
200 + x + 50
d)
12x(50 + 200)
11.
Factor this expression to create an equivalent expression: 100x - 70
a)
20(5x - 4)
b)
10(10x + 7)
c)
10(10x - 7)
d)
10(x - 70)
12.
Use the distributive property to factor and rewrite the expression 20 + 28
a)
5(4 x 5)
b)
4(5 x 7)
c)
4(5 + 7)
d)
4(5 - 7)
13.
Your cell phone bill is $21.20. The company charges $0.25 per call.
a)
0.25c = 21.20
b)
c - 0.25 = 21.20
c)
c + 0.25 = 21.20
d)
0.25 ÷ c = 21.20
14.
1/2x + 2/3 y - 1/8x + 2/9y
a)
3/8x + 8/9y
b)
4/22 xy
c)
-3/8 x + 8/9y
d)
21
15.
Which equation matches the table?
a)
c = 2h
b)
c = 6h
c)
c = 10h
d)
c = 12h
16.
Which equation describes the graph?
a)
y = 30 + x
b)
y = 30x
c)
y = 3x
d)
y = 30 - x
17.
What is the independent variable?
a)
time
b)
distance
c)
speed of sloth
d)
none of the above
18.
What is the dependent variable?
a)
time
b)
distance
c)
speed of the sloth
d)
there is not a dependent variable
19.
Lindsay had $40. She works at the grocery store and earns $15 each day.
Which equation shows the relationship between Lindsay's savings (y) and the number of days Lindsay works (x)
Which equation shows the relationship between Lindsay's savings (y) and the number of days Lindsay works (x)
a)
y = 15x + 40
b)
x = 15y + 40
c)
y = 40x + 15
d)
y = 40 - 15x
20.
Emily had $50. Every week she babysits she gets $20.
Which equation describes the relationship between Emily's total money (s) and the number of weeks she babysits (w)
Which equation describes the relationship between Emily's total money (s) and the number of weeks she babysits (w)
a)
s=50+200w
b)
s=200+50w
c)
s=20+50w
d)
s=50+20w
21.
x + 46 = 72
a)
26
b)
20
c)
128
d)
36
22.
Find and explain the error.
5 - 3 + 2
5 - 5
0
5 - 3 + 2
5 - 5
0
a)
There is no error.
b)
Addition was done first and you should have subtracted first
c)
There is a subtraction error
23.
Which is equivalent to 7 x 7 x 7 x 7 x 7 x 7
?
?
a)
75
b)
76
c)
67
d)
77
24.
True or false:
Addition ALWAYS comes before subtraction.
Addition ALWAYS comes before subtraction.
a)
True
b)
False
25.
What is the value of s in the equation
s − 3.84 = 7.62?
s − 3.84 = 7.62?
a)
3.78
b)
4.22
c)
10.46
d)
11.46
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