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8th Grade Math Review 2

Total questions: 69

Worksheet time: 2hrs 1mins

Name
Class
Date
1.
Numbers like -3, -2, -1, 0, 1, 2, 3 are called
a)
whole numbers
b)
integers
c)
rational numbers
d)
natural numbers
2.
0.8 is a rational number
a)
True
b)
False
3.
Simplify to an equivalent expression BUT leave in exponent form.
                                   43⋅45
a)
48
b)
168
c)
415
d)
1615
4.
ANY number raised to a power of 0 will be....
a)
10
b)
itself
c)
1
d)
0
5.
How do you write
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
6.
What is the base in 28 ?
a)
8
b)
2
7.
Slope, in basic terms, is simply...
a)
Rise over run
b)
Run over rise
c)
Left over down
d)
Right over up
8.
In the equation y=mx+b, m is the ____.
a)
Slope
b)
Y-intercept
c)
X-intercept
d)
Origin
9.
In the Pythagorean Theorem, c is always the ____ number.
a)
largest
b)
smallest
c)
middle
d)
first
10.
The formula V=(1/3)∏r2h is used to find the volume for ______.
a)
A cube
b)
A cylinder
c)
A sphere
d)
A cone
11.
Pi
a)
Rational
b)
Whole
c)
Irrational
d)
Integer
12.
a)
Function
b)
Not a Function
13.
What is coordinate R?
a)
(2,5)
b)
(0,1)
c)
(2,3)
d)
(1,0)
14.
What is Coordinate N?
a)
(7,6)
b)
(5,5)
c)
(6,6)
d)
(7,7)
15.
Ordered pair (0,0) is also known as the ___.
a)
y-axis
b)
x-axis
c)
origin
16.
In the ordered pair (7, 8), which number is the x-coordinate?
a)
7
b)
8
c)
neither
d)
both
17.
What letter is located at (8, 5)?
a)
A
b)
B
c)
C
d)
D
18.
What is the ordered pair for the letter A?
a)
(2, 4)
b)
(4, 2)
c)
(-2, 4)
d)
(2, -4)
19.
What is coordinate L?
a)
(6,6)
b)
(2,5)
c)
(2,3)
d)
(5,2)
20.
What is coordinate X?
a)
(5,2)
b)
(2,3)
c)
(4,4)
d)
(6,6)
21.
In an ordered pair the first number represents which axis?
a)
x
b)
y
22.
What is the ordered pair of point E?
a)
(2,5)
b)
(5,2)
c)
(-5,2)
d)
(5,-2)
23.
Which set of values is a function?
a)
(9,5) (10,5) (9,-5) (10,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (5, -7) (1, 4)
24.
Is the relation a function? Why.
a)
Yes, because the x-value 11 has two y-values pair with it.
b)
Yes, because each x-value has only one y-value paired with it.
c)
No, because the x-value 11 has two y-values pair with it.
d)
No, because each x-value has only one y-value paired with it.
25.
a)
Function
b)
Not a Function
26.
.
a)
Function
b)
Not a Function
27.
.
a)
Function
b)
Not a Function
28.
.
a)
Function
b)
Not a Function
29.

To which real number set do the following real numbers belong?

a)

Irrational Numbers

b)

Natural Numbers

c)

Rational Numbers

d)

Integers

30.

We know that π (Pi) is approximately equal to 3.141592654... To which subset of the real numbers does π belong?

a)

Irrational Numbers

b)

Rational Numbers

c)

Integers

d)

Natural Numbers

31.

Simplify the expression using exponents.

a)

818

b)

915

c)

98

d)

8115

32.

Write the decimal as a fraction in simplest form

a)
b)
c)
d)
33.

Using exponents, what is the simplified form of the expression (24)7

a)

23

b)

1428

c)

228

d)

211

34.

Using exponents, what is the simplified form of this expression?

a)

59

b)

15

c)

514

d)

55

35.

What is the value of 180?

a)

18

b)

0

c)

1

d)

-18

36.

How do you write the standard number 0.00095 in scientific notation?

a)

9.5 x 10-3

b)

9.5 x 10-5

c)

9.5 x 10-4

d)

9.5 x 10-6

37.

Write the standard number 6,267,000 in scientific notation.

a)

62.67 x 106

b)

6.267 x 106

c)

6.267 x 104

d)

6.267 x 107

38.

How do you write 8.7 x 10-1 in standard form?

a)

0.87

b)

8.7

c)

87

d)

0.087

39.

What is the best estimate for the following.

a)

9.3432...

b)

6.782...

c)

8.2326...

d)

10.7638...

40.

This is between which two integers?

a)

12 and 13

b)

13 and 14

c)

45 and 46

d)

91 and 92

41.

Which integer is a perfect square?

a)

169

b)

24

c)

10

d)

212

42.

What is the slope of the line that passes through the points (5, 1) and (2, -7)?

a)
b)
c)
d)
43.

The lines 7x + 4y = 35 and 7x + 4y = 35 intersect at ____________________

a)

2 points

b)

1 point

c)

An infinite number of points

d)

There are no intersection points.

44.

Which number is equivalent to 5-1?

a)
b)
c)
d)
45.
0.8 is a rational number
a)
True
b)
False
46.
Dilate Point A by a scale factor of 1/2
a)
(-4,-4)
b)
(-1,-4)
c)
(-1,-1)
d)
(-2,-2)
47.
How many degrees was the figure rotated?
a)
90 degrees counterclockwise 
b)
180 degrees
c)
90 degrees clockwise
48.
If you were to rotate ABCD 90° counterclockwise about the origin, what would the coordinate of A' be?
a)
(-5, 5)
b)
(-3, 5)
c)
(-5, 3)
d)
(-3, 3)
49.
A  figure has a vertices W(-2,4), and X(1,4. Find the  coordinates of the figure after a dilation with a scale factor of 2.
a)
W(-4,83),  X(2,8)
b)
W(-4,8), X(2,8)
50.
Choose the correct scale factor:
a)
2.5
b)
1.5
c)
3.5
d)
4
51.
Make this negative exponent positive.
9-3
a)
93
b)
1/9-3
c)
1/93
d)
729
52.
Simplify (-9)0

a)
-9
b)
-1
c)
1
d)
9
53.
(-7)² =
a)
49
b)
-49
c)
14
d)
-14
54.
10² =
a)
100
b)
110
c)
20
d)
200
55.
√2 is:
a)
Rational
b)
Irrational
56.
Choose the one that is rational.
a)
√5
b)
√81
c)
√140
d)
π
57.
Find the length of the missing side. 
a)
17 cm
b)
22 cm
c)
15 cm
d)
13 cm
58.
Which set of sides would make a right triangle?
a)
4,5,6
b)
8,10,12
c)
5,12,13
d)
5,10,12
59.
The longest side of a right triangle and opposite side of the right angle is the: 
a)
Area
b)
Hypotenuse
c)
Perimeter
d)
Volume
60.
The Pythagorean Formula is:
a)
V = Bh
b)
A = bh
c)
a2 + b2 = c2
d)
V = 1/3Bh
61.
What does is mean to be approximate?
a)
to be exact (equal)
b)
guess
c)
to estimate (come close)
d)
choose the wrong answer
62.
In the formula V=Bh, what does B stand for?
a)
Perimeter of the base
b)
Area of the height
c)
Perimeter of the base
d)
Area of the base 
63.
An isosceles triangle is a triangle that has:
a)
A triangle with 3 equal side lengths and angles
b)
A triangle with 2 equal side lengths and angles
c)
A triangle with all different side lengths and angles 
64.
In the formula A=bh what does h stand for?
a)
area
b)
hero
c)
hypotenuse
d)
height
65.
All interior angles of a triangle add up to:
a)
150o
b)
360o
c)
180o
d)
90o
66.
Volume is: 
a)
the amount of space an object occupies
b)
the total area of the surface of a three dimensional figure
c)
Area of a two dimensional object
67.

A mathematical sentence that shows two expressions as equal.

a)

Equation

b)

Linear Equation

c)

Simplest Form

d)

Irrational Number

68.

A transformation that moves a geometric figure by sliding. Each of the points of the geometric figure move the same distance in the same direction, without turning or flipping.

a)

Translation

b)

Transformation

c)

Congruent

d)

Function

69.

A symbol, such as a letter, box, or star used to represent an unknown value in an expression or number sentence

a)

Variable

b)

Linear Equation

c)

Rational Number

d)

Equation

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