Quiz about Ms. Livsey' s Mid Review

Question 1

Find the slope of the line.

Accepted Answer

-5/4

Answer

5/4

Answer

-4/5

Answer

4/5

Question 2

Find the slope of the line.

Accepted Answer

0

Answer

Undefined

Answer

1

Answer

-1

Question 3

Find the slope of the line.

Accepted Answer

Undefined

Answer

0

Answer

1

Answer

-1

Question 4

Find the slope of the line that passes through the points (2, 4) and (6, 12)

Accepted Answer

2

Answer

1/2

Answer

-1/2

Answer

-2

Question 5

What is the y-intercept of the equation:
y = 2x - 3

Accepted Answer

-3

Answer

-2

Answer

2

Answer

3

Question 6

Find the slope:
y = 2x - 10

Accepted Answer

2

Answer

1/2

Answer

5

Answer

-10

Question 7

Find the x and y intercepts
4x - 5y = 40

Accepted Answer

x intercept is 10
y intercept is -8

Answer

x intercept is 10
y intercept is 8

Answer

x intercept is 10
y intercept is 20

Answer

x intercept is 8
y intercept is 10

Question 8

Find the value of y when x = 2.

Accepted Answer

8

Answer

2

Answer

6

Answer

7

Question 9

What is the rate of change (slope) to rent a raft from Ryan's Rafts?

Accepted Answer

$2.25 per hour

Answer

$15 per hour

Answer

$17.25 per hour

Answer

$1 per hour

Question 10

Which panda will weigh more at 5 weeks?

Accepted Answer

Mochi

Answer

Kappa

Answer

Po the dragon warrior

Answer

Jack Black

Question 11

Simplify the following expression:
3 + 5x + 8 - 2x

Accepted Answer

11 + 3x

Answer

-3x2 - 11

Answer

3x2 + 11

Answer

11 - 3x

Question 12

Simplify the following expression:
-8x + 4x

Accepted Answer

-4x

Answer

-12x

Answer

4x

Answer

12x

Question 13

n -10 +9n -3=

Accepted Answer

10n -13

Answer

-3

Answer

9n-3

Answer

n

Question 14

Simplify the expression: 2x + 1 + 7x

Accepted Answer

9x + 1

Answer

10x

Answer

10

Answer

9 + 1x

Question 15

Solve:
3x + 7 = -8

Accepted Answer

-5

Answer

5

Answer

-12

Answer

-18

Question 16

Solve:
7x - 3x - 8 = 24

Accepted Answer

8

Answer

-8

Answer

3.2

Answer

4

Question 17

Solve:
3(x - 2) = 18

Accepted Answer

8

Answer

6.7

Answer

4

Answer

-4

Question 18

What is the definition of function?

Accepted Answer

Every input has only ONE output

Answer

Has inputs and outputs

Answer

Inputs have different outputs every time

Answer

x-values and y-values

Question 19

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 20

Question 20.

Accepted Answer

Not a Function

Answer

Function

Question 21

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 22

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 23

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 24

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 25

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 26

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 27

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 28

How can I tell if an inequality will have a solid line?

Accepted Answer

The symbol has "or equal to."

Answer

It has an equal sign.

Answer

The symbol is greater than.

Answer

You just guess.

Question 29

Which point below is NOT a part of the solution set?

Accepted Answer

(5, 10)

Answer

(0, 0)

Answer

(0, 1)

Answer

(-100, -3)

Question 30

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

Accepted Answer

18 chapters

Answer

12 chapters

Answer

15 chapters

Answer

21 chapters

Question 31

What letter do we use to represent correlation coefficient?

Accepted Answer

r

Answer

c

Answer

p

Answer

h

Question 32

What is a best-fit line used for?

Accepted Answer

To make predictions

Answer

To make the graph look pretty

Answer

To connect the points

Answer

To make it look like you know what you are doing

Question 33

What should you do first in solving this equation?
x² + 6x - 13 = 3

Accepted Answer

Make it equal 0 by subtracting 3 on each side

Answer

Get factored form

Answer

Write down: a=1, b=6, c=-13

Answer

Type it all in a calculator.

Question 34

Convert x²-6x+9 to factored form and identify the solution.

Accepted Answer

(x-3)(x-3); x=3

Answer

(x+3)(x+3); x=-3

Answer

(x+4)(x+2); x=-4, -2

Answer

Not factorable

Question 35

Convert x²-9x+20 to factored form and solve.

Accepted Answer

(x-4)(x-5); x=4, 5

Answer

(x-10)(x+2); x=-2, 10

Answer

(x+4)(x+5); x=-5, -4

Answer

Not factorable

Question 36

Solve by factoring

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 37

solve:
4x²+16x+15=0

Accepted Answer

-5/2,-3/2

Answer

(2x+5)(2x+3)

Answer

-10,-6

Answer

5/2, 3/2

Question 38

Solve by taking square roots:
4m² - 100 = 0

Accepted Answer

m=5, -5

Answer

m=25, -25

Answer

m=96

Answer

m=-96

Question 39

Find the expression equivalent to (x-1)(x-9)

Accepted Answer

x2-10x+9

Answer

x2+9

Answer

x2-10x-9

Answer

x2+10x+9

Question 40

Solve
(4a + 3)(4a - 3) = 0

Accepted Answer

a = ^-3/₄, ³/₄

Answer

a = ^-4/₃, ⁴/₃

Answer

a = ^-9/₁₆, ⁹/₁₆

Answer

a = ^-16/₉, ¹⁶/₉

Question 41

What is the correct name of the following:
3x + 5y² - 3

Accepted Answer

trinomial

Answer

monomial

Answer

binomial

Answer

polynomial

Question 42

Multiply
(x+5)²

Accepted Answer

x2+10x+25

Answer

x2+25

Answer

x2-25

Answer

x2-10x+25

Question 43

Multiply
x²(2x+3)

Accepted Answer

2x3+3x2

Answer

x2+2x+3

Answer

2x+3

Answer

2x2+3x

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