Quiz about 8th Grade Math SBAC Practice

Question 1

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

Accepted Answer

Rational Numbers

Answer

Irrational Numbers

Answer

Natural Numbers

Answer

Integers

Question 2

Simplify the expression using exponents.

Accepted Answer

98

Answer

818

Answer

915

Answer

8115

Question 3

Write the decimal as a fraction in simplest form

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 4

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

Accepted Answer

228

Answer

23

Answer

1428

Answer

211

Question 5

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

Accepted Answer

55

Answer

59

Answer

15

Answer

514

Question 6

What is the value of 18⁰?

Accepted Answer

1

Answer

18

Answer

0

Answer

-18

Question 7

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

Accepted Answer

9.5 x 10^-4

Answer

9.5 x 10^-3

Answer

9.5 x 10^-5

Answer

9.5 x 10^-6

Question 8

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

Accepted Answer

6.267 x 10⁶

Answer

62.67 x 10⁶

Answer

6.267 x 10⁴

Answer

6.267 x 10⁷

Question 9

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

Accepted Answer

0.87

Answer

8.7

Answer

87

Answer

0.087

Question 10

What is the best estimate for the following.

Accepted Answer

6.782...

Answer

9.3432...

Answer

8.2326...

Answer

10.7638...

Question 11

This is between which two integers?

Accepted Answer

13 and 14

Answer

12 and 13

Answer

45 and 46

Answer

91 and 92

Question 12

Which integer is a perfect square?

Accepted Answer

169

Answer

24

Answer

10

Answer

212

Question 13

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

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 14

Which of the following has the greatest value?

Accepted Answer

7.2 x 10⁷

Answer

3.5 x 10⁴

Answer

2.1 x 10⁶

Answer

9.9 x 10⁵

Question 15

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

Accepted Answer

An infinite number of points

Answer

2 points

Answer

1 point

Answer

There are no intersection points.

Question 16

Does this mapping diagram represent a function?

Accepted Answer

Yes, because there are no repeating input values

Answer

No, because there are repeating input values

Question 17

Does the graph represent a function?

Accepted Answer

No, because the vertical line test shows there are repeating input values

Answer

Yes, because the vertical line test shows there are no repeating input values

Question 18

Is the relation a function? Why.

Accepted Answer

No, because the x-value 11 has two y-values pair with it.

Answer

Yes, because the x-value 11 has two y-values pair with it.

Answer

Yes, because each x-value has only one y-value paired with it.

Answer

No, because each x-value has only one y-value paired with it.

Question 19

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 20

Which set of values is a function?

Accepted Answer

(6,-5) (7, -3) (8, -1) (9, 1)

Answer

(9,5) (10,5) (9,-5) (10,-5)

Answer

(3,4) (4,-3) (7,4) (3, 8)

Answer

(2, -2) (5, 9) (5, -7) (1, 4)

Question 21

Find the slope from the graph

Accepted Answer

0

Answer

undefined

Answer

5

Answer

-5

Question 22

Find the slope

Accepted Answer

undefined

Answer

0

Answer

-3

Answer

6

Question 23

Which of the following is in slope-intercept form?

Accepted Answer

y=10x-7

Answer

y-5=3(x-1)

Answer

5x-y=12

Answer

6x+2y-15=0

Question 24

What is the y-intercept in the following equation:  y=-4x-5

Accepted Answer

-5

Answer

-4

Answer

-4x

Answer

5

Question 25

Write the equation 4x-2y=10 in slope-intercept form.

Accepted Answer

y=2x-5

Answer

y=2x+5

Answer

y=-4x-5

Answer

y=4x-5

Question 26

Give the slope and y-intercept
6x - 3y = -9

Accepted Answer

m=2 b=3

Answer

slope is 6
y-intercept is 9

Answer

slope is 2
y-intercept is -3

Answer

m = 3
b = 2

Question 27

Which is the graph of y= -x + 2?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 28

What is the slope of the equation?
y = -3x + 4

Accepted Answer

-3

Answer

4

Answer

-4

Answer

3

Question 29

What is the volume of the composite solid? (round to nearest whole number)

Accepted Answer

34 ft3

Answer

19 ft3

Answer

24 ft3

Answer

29 ft3

Question 30

What is the volume of the shape?

Accepted Answer

1,734 m3

Answer

1,356 m3

Answer

377 m3

Answer

590 m3

Question 31

The angle relationship shown is -

Accepted Answer

complementary angles

Answer

supplementary angles

Answer

vertical angles

Answer

angle bisector

Question 32

The angle relationship shown is -

Accepted Answer

supplementary angles

Answer

complementary angles

Answer

vertical angles

Answer

adjacent angles

Question 33

Find the measure of the indicated angle.

Accepted Answer

102

Answer

145

Answer

113

Answer

78

Question 34

Find the value of x by using the exterior angle theorem.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 35

What is the measure of angle A in the triangle?

Accepted Answer

62*

Answer

116*

Answer

25*

Answer

54*

Question 36

Find the measure of angle A.

Accepted Answer

44o

Answer

96o

Answer

-14o

Answer

63o

Question 37

Translations, reflections and rotations are all known as ________________________.

Accepted Answer

Transformations

Answer

Geometry

Answer

Congruent

Question 38

Name the transformation.

Accepted Answer

Reflection

Answer

Translation

Answer

Rotation

Question 39

Name the transformation.

Accepted Answer

Reflection

Answer

Translation

Answer

Rotation

Question 40

When you translate, (x,y+6) will move _____.

Accepted Answer

6 units up

Answer

6 units right

Answer

6 units left

Answer

6 units down

Question 41

When you translate, (x-4,y) will move _____.

Accepted Answer

4 units left

Answer

4 units right

Answer

4 units up

Answer

4 units down

Question 42

Identify the transformation from ABCD to A'B'C'D'.

Accepted Answer

Translation

Answer

Reflection across the y-axis

Answer

Reflection across the x-axis

Answer

90^o counter clockwise Rotation

Question 43

Is the picture being reflected in the y-axis or x-axis?

Accepted Answer

y-axis

Answer

x-axis

Question 44

Identify the transformation from ABC to A'B'C'.

Accepted Answer

Reflection across the x-axis

Answer

Translation

Answer

90^o clockwise rotation

Answer

90^o counterclockwise rotation

Question 45

How many degrees was the figure rotated?

Accepted Answer

90 degrees clockwise

Answer

90 degrees counterclockwise

Answer

180 degrees

Question 46

How many degrees was the figure rotated?

Accepted Answer

90 degrees clockwise

Answer

90 degrees counterclockwise

Answer

180 degrees

Question 47

List in order from least to greatest.
5/4, 56%, 1.07, 4/5

Accepted Answer

56%, 4/5, 1.07, 5/4

Answer

5/4, 56%, 1.07, 4/5

Answer

1.07, 4/5, 5/4, 56%

Answer

56%, 1.07, 4/5, 5/4

Question 48

0.0000713 converted to scientific notation is ______.

Accepted Answer

7.13 x 10^-5

Answer

7.13 x 10⁵

Answer

7.13 x 10^-4

Answer

7.13 x 10⁴

Question 49

Find the volume of this shape

Accepted Answer

1520.53

Answer

276.46

Answer

552.93

Answer

6082.12

Question 50

Which representation does NOT show y as a function of x?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 51

Which rule best describes the dilation applied to Circle I to create Circle II?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 52

Choose the best definition of the term WHOLE NUMBERS...

Accepted Answer

Natural numbers together with 0

Answer

Numbers that have holes in them (like 0, 4, 8, etc.)

Answer

Any positive #s

Answer

Negative numbers and their opposites

Question 53

Choose the best definition of the term INTEGERS...

Accepted Answer

Positive whole #s and their opposites and zero

Answer

Whole numbers

Answer

Negative numbers

Answer

Negative Numbers and Positive Numbers

Question 54

When multiplying or dividing a NEGATIVE and POSITIVE number your result will be...

Accepted Answer

Negative

Answer

Positive

Answer

Depends on which is bigger.

Question 55

Evaluate the following equation
3+x=10

Accepted Answer

x=7

Answer

x=3

Answer

x=13

Answer

7

Question 56

What is the equation of this line?

Accepted Answer

x = -2

Answer

0

Answer

undefined

Answer

y = -2

Question 57

Give the equation for the graph

Accepted Answer

y = - 2x + 4

Answer

y = 5x - 3

Answer

y = 4x + 2

Answer

y =-2x + 5

Question 58

The graph represents the height of a burning candle.  What is the meaning of the y-intercept?

Accepted Answer

the original height of the candle

Answer

the time it takes to burn the entire candle

Answer

the rate at which the candle is losing height

Answer

the change in the height of the candle each hour

Question 59

Give the equation for the graph

Accepted Answer

y = - 2x + 4

Answer

y = 5x - 3

Answer

y = 4x + 2

Answer

y =-2x + 5

Question 60

Graph. x = 1

Accepted Answer

b

Answer

a

Answer

c

Answer

d

Question 61

Graph. y = 2/5x

Accepted Answer

a

Answer

b

Answer

c

Answer

d

Question 62

What is the equation of the line?

Accepted Answer

y = -4/5x + 3

Answer

y = -3/4x + 3

Answer

y = 4/5x + 3

Answer

y = -4/5x

Question 63

Question 63.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 64

Write the equation of the line.

Accepted Answer

y = 1/3x - 2

Answer

y = -1/3x - 2

Answer

y = 3x - 2

Answer

y = -3x - 2

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