Quiz about NC math 2 Spring 2020 Review 2

Question 1

What is the probability of spinning the spinner and landing on 7

Accepted Answer

1/8

Answer

6/8

Answer

7/8

Answer

8/8

Question 2

What is the probability of picking a red marble from the bag?

Accepted Answer

3/10

Answer

4/10

Answer

1/10

Question 3

Name the postulate, if possible, that makes the triangles congruent.

Accepted Answer

Not Possible

Answer

SSS

Answer

ASA

Answer

AAS

Question 4

What does CPCTC stand for?

Accepted Answer

Corresponding Parts of Congruent Triangles are Congruent

Answer

Corresponding Parts of Corresponding Triangles are Congruent

Answer

Congruent Parts of Corresponding Triangles are Congruent

Question 5

The triangles are similar, solve for the question mark.

Accepted Answer

18

Answer

8

Answer

12.5

Answer

24

Question 6

When two sides of a triangle and its included angle are congruent to the corresponding sides and included angle of another triangle, the triangles are said to be congruent by:

Accepted Answer

SAS

Answer

SSS

Answer

ASA

Answer

AAS

Question 7

What does it mean for two shapes to be similar?

Accepted Answer

Same shape, but different size.

Answer

Same size and same shape.

Answer

Their angles add up to 180^o.

Answer

They are congruent.

Question 8

A line that passes through parallel lines is called a ______________.

Accepted Answer

transversal

Answer

transitive

Answer

passer through line

Answer

bisector

Question 9

What segment is parallel to EF?

Accepted Answer

Segment NP

Answer

Segment PM

Answer

Segment MN

Answer

Segment FG

Question 10

QR is a midsegment of triangle WUV. What is the length of segment QR?

Accepted Answer

8

Answer

4

Answer

16

Answer

32

Question 11

Find the value of the base angle.

Accepted Answer

60

Answer

30

Answer

120

Answer

180

Question 12

Find the value of x.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 13

State the postulate that proves these triangles are similar.

Accepted Answer

SSS~

Answer

SAS~

Answer

AA~

Answer

Not similar

Question 14

Which transformation maps the graph of
f(x) = x² to the graph of g(x) = (x + 4)²?

Accepted Answer

a translation shifting f(x) 4 units to the left

Answer

a reflection across the line x = -4

Answer

a reflection across the line y = -4

Answer

a translation shifting f(x) 4 units to the right

Question 15

Pablo throws a ball with a path of
h = -5(t - 2)².
Maria throws a ball with a path of
h = -5(t - 2)² + 10.
Which description is reasonable for the difference in the two equations?

Accepted Answer

Maria starts her ball at a height 10 feet higher than Pablo does.

Answer

Maria throws the ball 10 times harder than Pablo does.

Answer

Pablo throws the ball 10 times harder than Maria does.

Answer

Pablo starts his ball at a height 10 feet higher than Maria does.

Question 16

1.) Simplify
(2a²b⁴z)(6a³b²z⁵)

Accepted Answer

12a⁵b⁶z⁶

Answer

8a⁵b⁶z⁶

Answer

12a⁶b⁸z⁵

Answer

8a⁶b⁸z⁵

Question 17

According to exponent rules, when we divide powers we _______ the exponents.

Accepted Answer

subtract

Answer

add

Answer

multiply

Answer

divide

Question 18

Write each expression in exponential form.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 19

What form is the equation in?
y = 2x²-8x+7

Accepted Answer

Standard

Answer

Vertex

Answer

Factored

Answer

None of These

Question 20

What piece of information does c identify in the following equation?
y=ax²+bx+c

Accepted Answer

y-intercept

Answer

Zeroes

Answer

Axis of Symmetry

Answer

Direction

Question 21

If given the equation
y = 3(x + 5)² - 4, what is the vertex of the parabola?

Accepted Answer

(-5, -4)

Answer

(5, -4)

Answer

(-15, -4)

Answer

(15, -4)

Question 22

What is the Greatest Common Factor of the following polynomial?
12t³ + 30t² + 48t

Accepted Answer

6t

Answer

12t

Answer

6t3

Answer

12t3

Question 23

Question 23.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 24

Question 24.

Accepted Answer

10

Answer

8

Answer

16

Answer

4

Question 25

Solve

Accepted Answer

7

Answer

102

Answer

12

Answer

98

Question 26

The graphs of a quadratic and linear equation are shown in the coordinate plane. Which statement BEST describes the solutions to this system?

Accepted Answer

There are no real solutions to this system

Answer

There are 2 real solutions to this system.

Answer

There is only one real solution to this system

Answer

There are infinitely many real solutions to this system.

Question 27

The height, in feet, of a flying disc after t seconds is modeled by the equation given above. What does the 3 in the equation represent?

Accepted Answer

the initial height of the disc

Answer

the velocity of the disc

Answer

the time it takes for the disc to hit the ground

Answer

the time it takes for the disc to reach maximum height

Question 28

x2 - 25

Accepted Answer

( x + 5 ) ( x - 5 )

Answer

( x - 5 ) ( x - 5 )

Answer

( x + 5 ) ( x + 5 )

Answer

Prime

Question 29

9x²- 49y⁶

Accepted Answer

( 3x - 7y³) (3x + 7y³)

Answer

( 3x + 7y³) (3x + 7y³)

Answer

( 3x - 7y³) (3x - 7y³)

Answer

Prime

Question 30

Factor the perfect square trinomial:
x² + 16x + 64

Accepted Answer

(x+8)2

Answer

(x-8)2

Answer

(x-4)2

Answer

(x+4)2

Question 31

x²+ 10x + ____

Accepted Answer

25

Answer

5

Answer

10

Answer

20

Question 32

y² - 12y + ____

Accepted Answer

36

Answer

4

Answer

6

Answer

12

Question 33

What are the transformations of this functions compared to the parent function?

Accepted Answer

Reflected over the x-axis, vertical stretch by 2, and shifted right 5

Answer

Shifted right 5, shifted down 2, and reflected over the x-axis

Answer

Reflected over the x-axis, vertical stretch by 2, and shifted left 5

Answer

Shifted right 5, shifted down 2

Question 34

What is the equation of the function graphed?

Accepted Answer

f(x) = 3(x+1)^1/2

Answer

f(x) = (x-1)^1/2+ 2

Answer

f(x) = 3(x-1)^1/2

Answer

f(x) = 3(x+1)^1/2+ 2

Question 35

The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

Accepted Answer

$308

Answer

$2

Answer

$1.57

Answer

$265

Question 36

On a treasure map, the actual distance is directly related to the scaled distance.  If 15 miles is represented by 3 centimeters, then how many centimeters on the treasure map are equivalent to 135 miles?

Accepted Answer

27 cm

Answer

675 cm

Answer

529 cm

Answer

32 cm

Question 37

The time it takes to drive to Dallas is inversely proportional to your driving speed. It takes 3 hours to get to Dallas if you drive 60 mph. How long will the trip take if you drive 72 mph?

Accepted Answer

2.5 hours

Answer

2.6 hours

Answer

2.8 hours

Answer

3.5 hours

Answer

3.6 hours

NC math 2 Spring 2020 Review 2

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