Quiz about 8th grade milestones review

Question 1

a transformation that changes the size of a figure, but not the shape

Accepted Answer

dilation

Answer

translation

Answer

rotation

Answer

reflection

Question 2

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

Accepted Answer

Reflection across the y-axis

Answer

Translation

Answer

Reflection across the x-axis

Answer

90^o counter clockwise rotation

Question 3

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

Accepted Answer

Reflection across the x-axis

Answer

90^o clockwise rotation

Answer

90^o counter clockwise rotation

Answer

Reflection across the y-axis

Question 4

Identify the transformation from A to D.

Accepted Answer

90^o Clockwise Rotation

Answer

180^o Rotation

Answer

270^o Clockwise Rotation

Answer

360^o Rotation

Question 5

Identify the transformation from A to D.

Accepted Answer

90^o Clockwise Rotation

Answer

180^o Rotation

Answer

270^o clockwise Rotation

Answer

360^o Rotation

Question 6

Write a rule for the translation.

Accepted Answer

(x +2, y  - 1)

Answer

(x -1, y  + 2)

Answer

(x -2, y  + 1)

Answer

(x +1, y  -  2)

Question 7

What is the first step to solve this equation:
11 - 3x = 44

Accepted Answer

Subtract 11 from both sides

Answer

Add 3 to both sides

Answer

Add 11 to both sides

Answer

Divide 3 on both sides.

Question 8

6z + 3 -4z = 9

Accepted Answer

z = 3

Answer

z = 60

Answer

z = 30

Answer

z = 1

Question 9

Solve for x:
52 = -5x - 3

Accepted Answer

x = -11

Answer

x = 11

Answer

x = 275

Answer

x = -275

Question 10

Which equation has x =2 as a solution?

Accepted Answer

11 + x = 13

Answer

3 + x = 10

Answer

4x = 32

Answer

5x =25

Question 11

2.) Simplify
(3x³y⁵)⁴

Accepted Answer

81x¹²y²⁰

Answer

3x¹²y²⁰

Answer

12x¹²y²⁰

Answer

81x7y9

Question 12

According to exponent rules, when we multiply the same base we _______ the exponents.

Accepted Answer

Add

Answer

Multiply

Answer

Divide

Answer

Subtract

Question 13

(2ab)3

Accepted Answer

23a3b3

Answer

2ab3

Answer

6a3b3

Answer

6ab

Question 14

Volume is the amount of space an object takes up.

Accepted Answer

True

Answer

False

Question 15

V = ?

Accepted Answer

56.52 in3

Answer

14.13 in3

Answer

169.56 in³

Question 16

Which cylinder will have a larger volume?

Accepted Answer

Cylinder A

Answer

Cylinder B

Question 17

The set of x-coordinates of the ordered pairs of a relation is called?

Accepted Answer

domain

Answer

range

Answer

relation

Answer

correlation

Question 18

Would the graph be CONTINUOUS or DISCRETE?
A girl was walking home at a steady pace. Then she stopped to talk to a friend. After her friend left, she jogged the rest of the way home.

Accepted Answer

Continuous

Answer

Descrete

Question 19

Choose the best situation for the graph.

Accepted Answer

A monkey swings from a high branch to a lower branch. He climbs along the branch. Then he jumps to a higher branch and takes a nap.

Answer

A car is moving at a constant speed for several minutes. When it approaches a red light, it slows down and comes to a stop.

Answer

A plant grows steadily and then has a growth spurt during the rainy season. It remains the same height for a while and then grows steadily again.

Answer

A family buys a fish tank and some fish. After two weeks, they buy some more fish. After two more weeks, they buy even more fish.

Question 20

Choose the relationship that fits the table, graph, and mapping diagram.

Accepted Answer

{(-2,-1), (-1,1), (2,3), (3,4)}

Answer

{(-1,0), (0,1), (2,1), (3,4)}

Answer

{(-4,5), (-2,3), (0,1), (2,-1)}

Answer

{(-2,-1), (-1,0), (0,-1), (2,-1)}

Question 21

Give the domain and range. Tell if it is a function.

Accepted Answer

D: {-4, -2, 0, 2}
R: {-2, 1}
Function

Answer

D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Function

Answer

D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Not a Function

Answer

D: {-4, -2, 0, 2}
R: {-2, 1}
Not a Function

Question 22

A local parking garage charges $5.00 for the first hour plus $1.50 for each additional hour or part of an hour. Write a relation where x represents the hours, and y represents the cost. Is it a function?

Accepted Answer

y = 1.50x + 5
Function

Answer

y = 5x + 1.50
Function

Answer

y = 1.50x + 5
Not a Function

Answer

y = 5x + 1.50
Not a Function

Question 23

The table shows the value of a car for the given years. Describe the correlation illustrated by the scatter plot.

Accepted Answer

Negative Correlation

Answer

Positive Correlation

Answer

No Correlation

Answer

Complicated Relationship

Question 24

Bonus:
What is the relation of a vertical line?

Accepted Answer

Not a Function

Answer

Function

Question 25

Determine whether the relation is a function.

Accepted Answer

Yes

Answer

No

Question 26

Determine whether the relation is a function?

Accepted Answer

No

Answer

Yes

Question 27

Find the x- and y- intercepts of the line.
x-3y=9

Accepted Answer

(9,0), (0,-3)

Answer

(-9,0), (0,3)

Answer

(-3,0), (0,9)

Answer

(3, 0), (0,-9)

Question 28

What is the slope of the following line:
2x-y=9

Accepted Answer

2

Answer

-9

Answer

9

Answer

-2

Question 29

Answer.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 30

Answer.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 31

_{These are Complementary angles. Find x.}

Accepted Answer

15

Answer

25

Answer

75

Answer

90

Question 32

In the figure which angle is complementary to angle 1?

Accepted Answer

Angle 2

Answer

Angle 3

Answer

Angle 4

Answer

Angle 6

Question 33

What is the value of x?

Accepted Answer

45

Answer

90

Answer

180

Answer

51

Question 34

CHALLENGE: Find the values of x and y.

Accepted Answer

x=5; y=5

Answer

x=7 ; y=25

Answer

x=5 ; y=25

Answer

x=7 ; y=5

Question 35

What is the solution to this system?

Accepted Answer

(-2,2)

Answer

(-2, -2)

Answer

(2, -2)

Answer

(2, 2)

Question 36

Erin is 3 years younger than twice Alex's age. Their ages combined are 33 years. How old are Alex and Erin. If x=Erin's age and y=Alex's age, choose the system that matches the situation.

Accepted Answer

x + y = 33
x = 2y - 3

Answer

x + y = 33
y = 2x - 3

Answer

x + y = 33
x = 3 - 2y

Answer

x + y = 3
x = 33 - 2y

Question 37

Solve for x and y
3x + 2y = 16
7x + y = 19

Accepted Answer

(2,5)

Answer

(-2,5)

Answer

(-2,-5)

Answer

(2,-5)

Question 38

Does the system have one, none or infinite solutions?
8x + 4y = 12
y = -2x + 3

Accepted Answer

Infinitely many solutions

Answer

(0,3)

Answer

(3,0)

Answer

No solution(parallel lines)

Question 39

Solve the system of equations:
y=2x-4
y =2x=4

Accepted Answer

no solution

Answer

(0,4)

Answer

(4,0)

Answer

infinite number of solutions

Question 40

Which of the following pairs of angles are corresponding angles?

Accepted Answer

Angle t and Angle x

Answer

Angle z and Angle x

Answer

Angle w and Angle t

Question 41

Which of the following pairs of angles are congruent?

Accepted Answer

Angle w and Angle y

Answer

Angle y and Angle x

Answer

Angle w and Angle z

Answer

Angle t and Angle y

Question 42

500

Accepted Answer

Is not a perfect square.

Answer

Is a perfect square.

Question 43

142

Accepted Answer

196

Answer

169

Answer

28

Answer

144

Question 44

132

Accepted Answer

169

Answer

26

Answer

196

Answer

144

Question 45

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 46

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 47

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 48

How many times larger is 5 x 10⁷than 5 x 10²?

Accepted Answer

1 x 105

Answer

1 x 106

Answer

1 x 104

Answer

1 x 109

Question 49

Which of the following angles can you add together to equal angle d?

Accepted Answer

Angle a and Angle b

Answer

Angle b and Angle c

Answer

Angle a and Angle c

Answer

Angle a and Angle b and Angle c

Question 50

Simplify the exponential expression:

Accepted Answer

2x2

Answer

10x-2

Answer

2x12

Answer

10x12

Question 51

.141414141414...

Accepted Answer

Rational

Answer

Irrational

Answer

real

Answer

fake

Question 52

Solve:
2(4x-3) - 8 = 4 + 2x

Accepted Answer

x = 3

Answer

x = 5/3

Answer

x = 1

Answer

x = 2

Question 53

Find the length of the missing side.

Accepted Answer

13 cm

Answer

17 cm

Answer

22 cm

Answer

15 cm

Question 54

What is the distance between points X and Z?

Accepted Answer

4.5

Answer

4

Answer

4.2

Answer

5

Question 55

Find the volume of the Sphere

Accepted Answer

523.6 m3

Answer

78.5 m3

Answer

392.5 m3

Answer

62.8 cm3

Question 56

Write the equation for the line in slope-intercept form.

Accepted Answer

y= 4x+3

Answer

y= -1x+3

Answer

y=1/4x+3

Answer

y= 3x+4

Question 57

Is this a function? Explain.

Accepted Answer

Yes; it passes the vertical line test.

Answer

Yes; it passes the horizontal line test.

Answer

No; it is not a straight line.

Answer

No; there is a line connecting the dots.

Question 58

The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. Which equations represents the system that could be used?

Accepted Answer

3s + 1c = 38
3s + 2c = 52

Answer

1s + 3c = 38
2s + 3c = 52

Answer

s + c = 38
s + c = 52

Answer

3s + 3c = 38
1s + 2c = 52

Question 59

Some students want to order shirts with their school logo. One company charges $9.65 per shirt plus a setup fee of $43. Another company charges $8.40 per shirt plus a $58 fee. Which equation represents the number of shirts when both companies charge the same amount?

Accepted Answer

y = 9.65x + 43
y = 8.40x + 58

Answer

y = 9.65 + x
y = 8.40 + x

Answer

y =9.65x
y = 8.40x

Answer

y = 9.65x - 43
y = 8.40x - 58

Question 60

What is the type of correlation?

Accepted Answer

no association

Answer

Negative

Answer

positive

Question 61

What percentage of males who drive sports cars?

Accepted Answer

65%

Answer

35%

Answer

16.25%

Answer

25%

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