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Worksheets8th Grade Math Review
Total questions: 55
Worksheet time: 54mins
Name
Class
Date
1.
How do you calculate slope using a graph?
a)
rise over run
b)
run over rise
c)
look at the y intercept
d)
look at the x intercept
2.
Find the slope of the line.
a)
1/2
b)
-1/2
c)
2
d)
-2
3.
Find the slope of the line.
a)
Undefined
b)
0
c)
1
d)
-1
4.
Find the slope of the line.
a)
Undefined
b)
0
c)
1
d)
-1
5.
In the equation y=mx+b, what does the m represent?
a)
slope
b)
y-intercept
c)
linear
d)
point-slope
6.
What is the slope in the equation y=2x + 3?
a)
2
b)
3
c)
5
d)
Cannot be Determined
7.
What does 'b" represent in y=mx=b
a)
y-intercept
b)
x-intercept
c)
nothing
d)
slope
8.
What is the y-intercept in the equation
y= -2x + 5
y= -2x + 5
a)
-2
b)
3
c)
5
d)
Cannot be Determined
9.
How would you write the equation with a slope of 2/3 and a y-intercept of -3
a)
y=3/2x+3
b)
y=2/3-3
c)
y=2/3x-3
d)
y=2/3x+3
10.
Which number is irrational?
a)
9.6
b)
√45
c)
3/8
d)
3.4 x 10 ⁵
11.
Which number is rational?
a)
∛51
b)
√94
c)
∛12
d)
√64
12.
In between what two integers is the square root of 77?
a)
5 and 6
b)
6 and 7
c)
7 and 8
d)
8 and 9
13.
Estimate the square root.
a)
3
b)
4
c)
5
d)
6
14.
Is the sequence arithmetic: 37, 31, 25, 19, ...
a)
Yes
b)
No
15.
Is the sequence 2, 4, 12, 48,... geometric?
a)
yes
b)
no
16.
The Pythagorean Theorem ONLY works on which triangle?
a)
obtuse
b)
scalene
c)
isosceles
d)
right
17.
Find the missing side
a)
29.2
b)
20
c)
400
d)
10
18.
What is the solution to the system of equations?
y = 3x - 8
y = 4 - x
y = 3x - 8
y = 4 - x
a)
(3,1)
b)
(1,3)
c)
(-3,1)
d)
(3,-1)
19.
Solve the system of equations.
y = 4x+1
3x + 2y = 13
y = 4x+1
3x + 2y = 13
a)
(1, 5)
b)
(5, 1)
c)
(0.25, 2)
d)
∅
20.
Solve the inequality:
x + 7 < 9
x + 7 < 9
a)
x < 2
b)
x < 16
c)
x < 63
d)
x < - 2
21.
Match:
You must be at least 48 inches tall to ride the bumper cars.
You must be at least 48 inches tall to ride the bumper cars.
a)
h < 48
b)
h > 48
c)
h ≤ 48
d)
h ≥ 48
22.
5³⋅5⁴
a)
5⁷
b)
5⁻¹
c)
5¹²
d)
5
23.
(2⁸)²
a)
2¹⁶
b)
2¹⁰
c)
2⁶
d)
2⁴
24.
8⁷ ⁄ 8²
a)
8⁵
b)
8⁹
c)
8¹⁴
d)
1⁵
25.
3⁻⁴
a)
1 ⁄ 34
b)
-34
c)
34
d)
1 ⁄ 12
26.
(3y⁴)²
a)
9y⁸
b)
9y⁶
c)
6y⁸
d)
6y⁶
27.
Simplify the exponential expression:
a)
10x-2
b)
2x2
c)
2x12
d)
10x12
28.
Simplify the exponential expression.
a)
2x6y12
b)
2x5y7
c)
8x6y12
d)
8x5y7
29.
Put the following in scientific notation:
23,948
23,948
a)
23.948 x 103
b)
2.3948 x 104
c)
2.3948 x 10-4
d)
0.23948 x 105
30.
Put the following number in scientific notation
0.004362
0.004362
a)
4.362 x 103
b)
4.362 x 10-3
c)
0.4362 x 10-2
d)
43.62 x 10-4
31.
Multiply:
(3.4 x 105)(1.2 x 10-3)
(3.4 x 105)(1.2 x 10-3)
a)
4.08 x 10-8
b)
4.8 x 102
c)
4.08 x 102
d)
4.08 x 10-15
32.
Divide:
(6.9 x 107) / (2.3 x 10-3)
(6.9 x 107) / (2.3 x 10-3)
a)
3 x 1010
b)
3 x 104
c)
3 x 10-4
d)
3 x 10-11
33.
11b+7=40
a)
2
b)
1
c)
4
d)
3
34.
Solve for x:
52 = -5x - 3
52 = -5x - 3
a)
x = 11
b)
x = -11
c)
x = 275
d)
x = -275
35.
4 = 2(x + 3)
a)
1/2
b)
7/2
c)
-1
d)
5
36.
Parallel lines have __________ slopes
a)
Equal
b)
Opposite
c)
Reciprocal
d)
Total
37.
What slope is parallel to:
m = 3/4
m = 3/4
a)
4/3
b)
3/4
c)
-3/4
d)
-4/3
38.
Slopes of perpendicular lines are...
a)
opposite reciprocals.
b)
opposites.
c)
identical.
d)
always 7.
39.
The following represents slopes of two lines. Which answer choice describes the two lines?
m = 7 and m = -7
m = 7 and m = -7
a)
Parallel
b)
Perpendicular
c)
Neither
40.
What is the slope of a line perpendicular to a line with slope -6/5 ?
a)
-6/5
b)
-5/6
c)
5/6
d)
-4/3
41.
Slopes of perpendicular lines are...
a)
opposite reciprocals.
b)
opposites.
c)
the same.
d)
always 7.
42.
What type of Correlation?
a)
Positive Correlation
b)
Negative Correlation
c)
No Correlation
43.
What type of Correlation?
a)
Positive Correlation
b)
Negative Correlation
c)
No Correlation
44.
What type of correlation does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
45.
Which scatter plot shows a linear relationship between x and y?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
46.
In a scatterplot, an outlier...
a)
...is something we didn't learn 8th grade
b)
...is a puppet with a long nose named Pinocchio
c)
...is a point that is far outside the main cluster of points/ordered pairs
d)
...is a really naughty point who doesn't tell the truth when outside
47.
Find the slope of the line that passes through
(10, 1) and (5, 2)
(10, 1) and (5, 2)
a)
1/5
b)
-1/5
c)
5
d)
-5
48.
Find the slope of the line that passes through
(1, -19) and (-2, -7)
(1, -19) and (-2, -7)
a)
-4
b)
4
c)
1/4
d)
-1/4
49.
Is this function linear or nonlinear?
a)
Linear
b)
Nonlinear
50.
Is the graph pictured a linear or nonlinear function?
a)
Linear
b)
Nonlinear
51.
Is this function linear or nonlinear?
a)
Linear
b)
Nonlinear
52.
Is the table linear or nonlinear?
a)
Linear
b)
Nonlinear
53.
Find the length of the missing side.
a)
25 cm
b)
42 cm
c)
52 cm
d)
48 cm
54.
Find the 10th term of this sequence:
{96, 48, 24, 12, ... }
{96, 48, 24, 12, ... }
a)
3/16
b)
1/2
c)
6
d)
3
55.
What is the 38th term of this sequence?
{26, 22, 18, 14, ... }
{26, 22, 18, 14, ... }
a)
-4
b)
10
c)
-122
d)
174
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