Question 1

Find the equation in slope-intercept form that describes a line with slope -2 and y-intercept 4.

Accepted Answer

y=-2x+4

Answer

y=4x-2

Answer

y=2x-4

Answer

y=-2x

Question 2

Find the equation in slope-intercept form that describes a line through (2,4) with slope 0

Accepted Answer

y=4

Answer

x=4

Answer

y=2

Answer

x=2

Question 3

Find the equation in slope-intercept form that describes a line through (4,2) with slope 1/2.

Accepted Answer

y=1/2x

Answer

y=1/2x-4

Answer

y=-1/2x

Answer

y=2x-10

Question 4

Find the equation in slope-intercept form that describes a line through (-1,1) and (2,3).

Accepted Answer

y=2/3x+5/3

Answer

y=2/3x-5/3

Answer

y=-2/3x+5/3

Answer

y=-2/3x-5/3

Question 5

Find the equation in slope-intercept form that describes a line graphed on the paper.

Accepted Answer

y=2/3x-1

Answer

y=3/2x-1

Answer

y=3/2x+3/2

Answer

y=2/3x+3/2

Question 6

If 5 deli sandwiches cost $29.75, how much will 8 sandwiches cost?

Accepted Answer

$47.60

Answer

$29.75

Answer

$0.16

Answer

$37.75

Question 7

What is the standard form of y-8=2(x+3)?

Accepted Answer

2x-y=-14

Answer

y=2x+14

Answer

y-2x=11

Answer

2x+y=14

Question 8

Which is the graph of 3x-4y=6

Accepted Answer

H

Answer

F

Answer

G

Answer

J

Question 9

Which is the the point-slope form of an equation for the line that passes through (0,-5) with slope 2?

Accepted Answer

y=2x-5

Answer

y-2x=11

Answer

y+5=2x

Answer

y-5=x-2

Question 10

What is the slope-intercept form of y+6=2(x+2)?

Accepted Answer

y=2x-2

Answer

2x-y=6

Answer

y=2x+6

Answer

y=2x-6

Question 11

When are two lines parallel?

Accepted Answer

when the slopes are equal

Answer

when the product of the slopes is -1

Answer

when the slopes are opposite

Answer

when the slopes are positive

Question 12

Find the slope-intercept form of an equation for the line that passes through (-1,2) and is parallel to y=2x-3.

Accepted Answer

y=2x+4

Answer

y=-0.5x-4

Answer

y=0.5x+4

Answer

y=2x+3

Question 13

Find the slope-intercept form of an equation of the line perpendicular to the graph of x-3y=5 and passing through (0,6).

Accepted Answer

y=-3x+6

Answer

y=1/3x-2

Answer

y=3x-6

Answer

y=1/3x+2

Question 14

How would you describe the relationship between the x- and y-values in the scatter plot?

Accepted Answer

strong negative correlation

Answer

strong positive correlation

Answer

weak negative correlation

Answer

weak positive correlation

Question 15

Based on the date in the scatter plot, what would you expect the y-value to be for x=2020?

Accepted Answer

less than 50

Answer

greater than 80

Answer

between 80 and 65

Answer

between 65 and 50

Question 16

Which equation has a slope of 2 and a y-intercept of -5?

Accepted Answer

y=2x-5

Answer

y=-5x+2

Answer

y=2x+5

Answer

y=5x+2

Question 17

Which correlation coefficient corresponds to the best-fit line that most closely models its set of data?

Accepted Answer

-0.87

Answer

-0.15

Answer

0.84

Answer

0.13

Question 18

The table shows Mia's bowling score each week she participated in a bowling league. Use the median-fit line to estimate Mia's score for week 16.

Accepted Answer

182

Answer

180

Answer

257

Answer

173

Question 19

If f(x)=6x+3, find f-1(x)

Accepted Answer

f-1(x)=x-3/6

Answer

f-1(x)=-3-6x

Answer

f-1(x)=x-6/3

Answer

f-1(x)=6x-3

Question 20

If f(x)=4(3x-5), find f-1(x).

Accepted Answer

f-1(x)=x+20/12

Answer

f-1(x)=x+5/4

Answer

f-1(x)=x+5/12

Answer

f-1(x)=x-20/12

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