Quiz about Unit 4 Review #3

Question 1

Slope (Given a Graph or Ordered Pairs)

Accepted Answer

-5/2

Answer

5/2

Answer

-2/5

Answer

2/5

Question 2

Slope (Given a Graph or Ordered Pairs)

Accepted Answer

0

Answer

Undefined

Answer

-3

Answer

Not enough information

Question 3

Slope (Given a Graph or Ordered Pairs)

Accepted Answer

undefined

Answer

Not enough information

Answer

-1

Answer

0

Question 4

Slope (Given a Graph or Ordered Pairs)

(-12, -1) and (-3, -4)

Accepted Answer

-1/3

Answer

-3

Answer

1/3

Answer

3

Question 5

Slope (Given a Graph or Ordered Pairs)

(-11, 7) and (-11, -2)

Accepted Answer

undefined

Answer

0

Answer

-9/22

Answer

9/22

Question 6

Write a linear equation with a slope of 1 and

the y-intercept of -7

Accepted Answer

y=x-7

Answer

y=x+7

Answer

y=7x

Answer

y=-7x

Question 7

Identify the slope and y-intercept of the

equation y = -3x

Accepted Answer

Slope: -3

Y-Intercept: 0

Answer

Slope: 0

Y-Intercept: -3

Question 8

Identify the slope and y-intercept of the

equation 2x + 5y = 20

Accepted Answer

Slope: -2/5

Y-Intercept: 4

Answer

Slope: 2

Y-Intercept: 5

Answer

Slope: 1

Y-Intercept: 5/2

Answer

Slope: 2

Y-Intercept: 20

Question 9

Write a linear equation given the graph.

Accepted Answer

y=7/2x-3

Answer

y=7/2x+1

Answer

y=2/7x-3

Answer

y=2/7x+1

Question 10

Write a linear equation given the graph.

Accepted Answer

y= -x+3

Answer

y= x-3

Answer

y=1/2x+3

Answer

y= -1/2x-3

Question 11

What is the equation of the following line?

Accepted Answer

y=-2

Answer

x=-2

Answer

y=2

Answer

x=2

Question 12

What is the equation of the following line?

Accepted Answer

x=5

Answer

y=5

Answer

y=-5

Answer

x=-5

Question 13

Writing Linear Equations (Given a Point and Slope, or Two Points)

(-4, -7); slope = 3

Accepted Answer

y=3x+5

Answer

y=3x+17

Question 14

Writing Linear Equations (Given a Point and Slope, or Two Points)

(8, -9); slope = 5/4

Accepted Answer

y=-5/4x-19

Answer

y=-5/4x-13/4

Question 15

Writing Linear Equations (Given a Point and Slope, or Two Points)

(-3, -9) and (4, -2)

Accepted Answer

y=x - 6

Answer

y = x + 6

Question 16

Writing Linear Equations (Given a Point and Slope, or Two Points)

(-2, 7) and (6, -5)

Accepted Answer

y= -3/2x +4

Answer

y = -2/3x + 17/3

Answer

y= -3/2x + 17/3

Answer

y = -2/3x + 4

Question 17

Describe the slopes of parallel lines.

Accepted Answer

same

Answer

opposite reciprocals

Question 18

Describe the slopes of perpendicular lines.

Accepted Answer

opposite reciprocal

Answer

same

Question 19

Write an equation that is parallel to

y = -4x + 5 and passes through the point

(-2, -1).

Accepted Answer

y = -4x - 9

Answer

y = 4x + 7

Answer

y = -1/4x + 3/2

Answer

y = 1/4x + 1/2

Question 20

The number of students enrolled at Beach Manor Preschool during various years is given in the table below. Use the line of best fit to predict the number of students enrolled in 2010.

Accepted Answer

107

Answer

108

Answer

109

Answer

110

Question 21

MaryAnn is printing pictures from her recent trip to Europe. An online print shop charges $0.15 per 4x6 inch print, along with a flat rate shipping charge of $3.00. If MaryAnn has 35 to spend, how many prints can she order?

Accepted Answer

213

Answer

200

Answer

300

Answer

305

Question 22

Clint is in study hall reading The Hunger Games. After 20 minutes, he is on page 151. After 45 minutes, he is on page 181. How many pages had Clint read prior to study hall?

Accepted Answer

127

Answer

105

Answer

100

Answer

90

Question 23

Alaina is selling wreaths and poinsettias for her chorus fundraiser. Wreaths cost $27 each poinsettias cost $20 each. If she sold 15 poinsettias and made $543, how many wreaths did she sell?

Accepted Answer

9

Answer

7

Answer

8

Answer

6

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