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Worksheets8th Grade 3rd Nine Weeks Review
Total questions: 46
Worksheet time: 50mins
Name
Class
Date
1.
What is the exponent form for
6?
6?
a)
60
b)
61
2.
Which is GREATER?
27 or 72
27 or 72
a)
27
b)
72
c)
Neither, they are equal
3.
Find the value (standard form) of the power.
62
62
a)
36
b)
30
c)
8
d)
12
4.
5³⋅5⁴
a)
5⁷
b)
5⁻¹
c)
5¹²
d)
5
5.
(2⁸)²
a)
2¹⁶
b)
2¹⁰
c)
2⁶
d)
2⁴
6.
According to exponent rules, when we raise the power to a power we _______ the exponents.
a)
add
b)
subtract
c)
multiply
d)
divide
7.
According to exponent rules, when we multiply the expressions we _______ the exponents.
a)
add
b)
subtract
c)
multiply
d)
divide
8.
According to exponent rules, when we divide the expressions we _______ the exponents.
a)
add
b)
subtract
c)
multiply
d)
divide
9.
3⁻⁴
a)
1 ⁄ 34
b)
-34
c)
34
d)
1 ⁄ 12
10.
7⁰
a)
1
b)
7
c)
0
d)
-7
11.
(3y⁴)²
a)
9y⁸
b)
9y⁶
c)
6y⁸
d)
6y⁶
12.
a)
a
b)
b
13.
Simplify the exponential expression:
a)
10x-2
b)
2x2
c)
2x12
d)
10x12
14.
Simplify the exponential expression.
a)
2x6y12
b)
2x5y7
c)
8x6y12
d)
8x5y7
15.
The objective when solving an equation is to....
a)
isolate the variable.
b)
check the solution.
c)
guess and check.
d)
Combine Like Terms.
16.
6z + 3 -4z = 9
a)
z = 3
b)
z = 60
c)
z = 30
d)
z = 1
17.
Solve:
-8 + 5x - 2 = 20
-8 + 5x - 2 = 20
a)
6
b)
-6
c)
2
d)
-2
18.
Solve:
3(x - 2) = 18
3(x - 2) = 18
a)
6.7
b)
4
c)
8
d)
-4
19.
Solve:
7x + 19 = -2x + 55
7x + 19 = -2x + 55
a)
4
b)
14.8
c)
8.2
d)
-4
20.
Solve:
2(2x + 3) = -6(x + 9)
2(2x + 3) = -6(x + 9)
a)
1.2
b)
6
c)
-6
d)
7.5
21.
What type of correlation does this graph have?
a)
Negative
b)
no association
c)
positive
22.
What type of correlation does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
23.
What type of correlation does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
24.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.
a)
12 chapters
b)
15 chapters
c)
18 chapters
d)
21 chapters
25.
Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam?
a)
65
b)
92
c)
70
d)
76
26.
What type of correlation (association)?
The outside temperature and the amount of layers you wear.
The outside temperature and the amount of layers you wear.
a)
Positive correlation
b)
Negative correlation
c)
No correlation
27.
The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?
a)
The more books students read, the lower their English grade.
b)
The more books students read, the higher their English grade.
c)
The fewer books students read, the higher their English grade.
d)
No relationship exists between the number of books students read and their English grades.
28.
Find the slope of the line.
a)
1/2
b)
-1/2
c)
2
d)
-2
29.
Find the slope from the table.
a)
1/4
b)
-1/4
c)
-4/1
d)
4/1
30.
What is the y-intercept of the line graphed below?
a)
3
b)
4
c)
-3
d)
4/3
31.
Find the slope:
(-3, 3) and (7, 6)
(-3, 3) and (7, 6)
a)
3/4
b)
-4/3
c)
3/10
d)
-10/3
32.
Give the y-interecept
3x + y = 5
3x + y = 5
a)
-3
b)
(0,5)
c)
-5
d)
(0, -3)
33.
Give the x-intercept
3x + 8y = 24
3x + 8y = 24
a)
(8, 0)
b)
(0, 8)
c)
(3, 0)
d)
(0, 3)
34.
What is the x-intercept?
a)
12
b)
-3
c)
8
d)
0
35.
What is the y intercept?
y = 2x - 3
y = 2x - 3
a)
3
b)
-3
c)
1
d)
2
36.
Is this mapping a function or not a function?
a)
Function
b)
Not a Function
37.
Is this table a function or not a function?
a)
Function
b)
Not a Function
38.
Given f(x) = -4x - 10 and f(x) = 10. Find x
a)
x = -5
b)
x = 5
c)
x = -50
d)
x = 30
39.
a)
Function
b)
Not a Function
40.
Is this graph a function or not a function?
a)
Function
b)
Not a Function
41.
Which equation can be used to solve the word problem: the diagonal of a t.v. is 40 inches and the height is 30. How wide is the t.v.?
a)
302 + 402 = c2
b)
a2 + 402 = 302
c)
302 + b2 = 402
d)
402 + 302 = c2
42.
The legs form what type of angle?
a)
Acute
b)
Obtuse
c)
Reflex
d)
Right
43.
Find the length of the missing side.
a)
20 in.
b)
68 in.
c)
16 in.
d)
80 in.
44.
what is the missing length?
a)
50
b)
60
c)
70
d)
80
45.
a = 2.1, b = 7.2, c = 7.5
Is this a right triangle?
Is this a right triangle?
a)
yes
b)
no
46.
Find the length of the missing side.
a)
17 cm
b)
22 cm
c)
15 cm
d)
13 cm
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