Quiz about Cool Math Review (8th Grade)

Question 1

(8a)0

Accepted Answer

1

Answer

0

Answer

8

Answer

8a

Question 2

42 * 411

Accepted Answer

413

Answer

813

Answer

1613

Answer

49

Question 3

(44)2

Accepted Answer

48

Answer

442

Answer

46

Answer

4

Question 4

( x / 7 )³

Accepted Answer

x3 / 343

Answer

x3 / 7

Answer

x / 343

Answer

x2 / 49

Question 5

52

Accepted Answer

25

Answer

10

Answer

7

Answer

3

Question 6

52

Accepted Answer

25

Answer

10

Answer

7

Answer

3

Question 7

52

Accepted Answer

25

Answer

10

Answer

7

Answer

3

Question 8

7 + (12-3)²

Accepted Answer

88

Answer

256

Answer

10

Answer

13

Question 9

Which equation has x=9 as a solution

Accepted Answer

5x = 45

Answer

4 + x = 12

Answer

2x = 20

Answer

x + 7 = 26

Question 10

Determine if the following equations have no solution, one solution, or infinitely many solutions.
15+12x=15+11x

Accepted Answer

One Solution

Answer

No Solution

Answer

Infinitely Many Solutions

Answer

Pizza

Question 11

Jimmy is choosing between two health clubs.  Club A offers membership for a start-up cost of $14 plus a monthly fee of $22.  Club B offers membership for a start-up cost of $35 plus a monthly fee of $15. After how many months will the total cost of each health club be the same?

Accepted Answer

3 months

Answer

4 months

Answer

6 months

Answer

5 months

Question 12

In triangle WXY, WY is congruent to XY. The perimeter of triangle WXY is 76 inches. How many inches long is WX?

Accepted Answer

12 inches

Answer

20 inches

Answer

26 2/3 inches

Answer

10 inches

Question 13

Which equation has the same solution as 4 - 2(x - 5) = x - 19?

Accepted Answer

3x - 4 = 2x + 7

Answer

2(x + 5) = -8

Answer

3(x - 3) = 9

Answer

x + 2 = 2x - 3

Question 14

Indicate whether the system of linear equations has one solution, no solution, or infinitely many solutions.
y = 3x - 5
3y = 9x - 10

Accepted Answer

No Solution

Answer

One Solution

Answer

Infinitely Many Solutions

Answer

Two Solutions

Question 15

Indicate whether the system of linear equations has one solution, no solution, or infinitely many solutions.
4x - y = 12
-4x + y = -12

Accepted Answer

Infinitely Many Solutions

Answer

One Solution

Answer

No Solution

Answer

Two Solutions

Question 16

Indicate whether the system of linear equations has one solution, no solution, or infinitely many solutions.
x + y = 12
2x + y = 12

Accepted Answer

One Solution

Answer

No Solution

Answer

Infinitely Many Solutions

Answer

Two Solutions

Question 17

The graph of a system of equations in shown on the coordinate grid. What is the value of y in the solution to this system of equations?

Accepted Answer

-2

Answer

3

Answer

1

Answer

5

Question 18

Consider the system of equations. Which statements are true about the system of equations?
y = 6x + 2
y = 2x + 2

Accepted Answer

The graph of the system consists of lines that have exactly one point of intersection.

Answer

A.  The graph of the system consists of lines that have no points of intersection.

Answer

A.  The graph of the system consists of lines that have more than one point of intersection.

Question 19

Find the length of the missing side.

Accepted Answer

52 cm

Answer

25 cm

Answer

42 cm

Answer

48 cm

Question 20

The Pythagorean Theorem ONLY works on which triangle?

Accepted Answer

right

Answer

obtuse

Answer

scalene

Answer

isosceles

Question 21

What is the opposite of squaring a number?

Accepted Answer

square root

Answer

divide

Answer

multiply

Answer

fractions

Question 22

Find the slope between the points (4,1) and (8, 5)

Accepted Answer

1

Answer

-1

Answer

7

Answer

1/7

Question 23

A slope that is vertical can also be called

Accepted Answer

undefined

Answer

positive

Answer

negative

Answer

zero

Question 24

x-4=

Accepted Answer

1/x4

Answer

x4

Answer

0

Answer

1/x-4

Question 25

Express the following in standard notation:

8.025 x 10^-8

Accepted Answer

.00000008025

Answer

.000000008025

Answer

802,500,000,000

Answer

80,250,000,000

Question 26

How do you write
8.317 x 10⁶in standard form?

Accepted Answer

8, 317, 000

Answer

8, 371, 000

Answer

83, 170, 000

Answer

837, 100

Question 27

Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.

Accepted Answer

False

Answer

True

Question 28

Scientific Notation is made up of two number parts. The second part is a power of base 10.

Accepted Answer

True

Answer

False

Question 29

What angle pair is pictured?

Accepted Answer

Vertical Angles

Answer

Alternate Interior Angles

Answer

Supplementary Angles

Answer

Corresponding Angles

Question 30

Vertical angles are always

Accepted Answer

congruent (equal measures)

Answer

acute

Answer

total 180 degrees

Answer

adjacent angles

Question 31

Classify the relationship between angles 1 and 5?

Accepted Answer

Corresponding

Answer

Alternate Interior

Answer

Alternate Exterior

Answer

Interior

Question 32

How many degrees is a straight angle?

Accepted Answer

180

Answer

90

Answer

360

Answer

145

Question 33

What type of relationship does this graph have?

Accepted Answer

Negative

Answer

Positive

Answer

No Relationship

Answer

Constant

Question 34

What type of relationship does this graph have?

Accepted Answer

Positive

Answer

Negative

Answer

No Relationship

Answer

Constant

Question 35

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

Accepted Answer

-3

Answer

4

Answer

-4

Answer

3

Question 36

What is the slope in the picture?

Accepted Answer

Positive

Answer

Negative

Answer

Zero

Answer

Undefined

Question 37

What is the slope in the picture?

Accepted Answer

Zero

Answer

Positive

Answer

Negative

Answer

Undefined

Question 38

What is the slope in the picture?

Accepted Answer

Negative

Answer

Positive

Answer

Zero

Answer

Undefined

Question 39

Write the slope-intercept form of the equation with the given point and slope.
Through (-1,4) and m= -3

Accepted Answer

y=-3x+1

Answer

y=x-3

Answer

y=x+2

Question 40

The result of a transformation.

Accepted Answer

Image

Answer

Pre-image

Question 41

The original figure prior to a transformation.

Accepted Answer

Pre-image

Answer

Image

Question 42

Determine how to translate triangle ABC to triangle A'B'C'.

Accepted Answer

left 2, up 9

Answer

right 2, down 9

Answer

left 2, down 9

Answer

left 2, up 5

Question 43

How is triangle ABC being translated to triangle A'B'C'?

Accepted Answer

right 4, down 9

Answer

left 8, up 3

Answer

left 4, up 9

Answer

right 8, down 3

Question 44

What transformation is happening?
(x, y) ----> (x + 2, y - 3)

Accepted Answer

slide right 2, down 3

Answer

slide up 2, left 3

Answer

slide right 2, up 3

Answer

slide left 3, right 2

Question 45

What does a translation do to a figure on the coordinate plane?

Accepted Answer

Slides it

Answer

Rotates it

Answer

Flips it

Answer

Shrinks it

Question 46

What is a transformation?

Accepted Answer

A change in the position, shape, or size of a figure

Answer

A figure prior to the transformation

Answer

A figure after the transformation

Answer

A transformation that changes only the position of the figure

Question 47

What is a dilation?

Accepted Answer

A transformation that moves each point along the ray through the point starting from a fixed center and multiples distances from the center by a common scale factor

Answer

A rigid motion that moves every point of a figure the same distance and in the same direction

Answer

A rigid motion that flips a figure over a line

Answer

A rigid motion that turns a figure about a fixed point

Question 48

What is a reflection?

Accepted Answer

A rigid motion that flips a figure over a line

Answer

A rigid motion that moves every point of a figure the same distance and in the same direction

Answer

A rigid motion that turns a figure about a fixed point

Answer

A transformation that moves each point along the ray through the point starting from a fixed center and multiples distances from the center by a common scale factor

Question 49

What is a rotation?

Accepted Answer

A rigid motion that turns a figure about a fixed point

Answer

A rigid motion that moves every point of a figure the same distance and in the same direction

Answer

A rigid motion that flips a figure over a line

Answer

A transformation that moves each point along the ray through the point starting from a fixed center and multiples distances from the center by a common scale factor

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