1)what is the slope and y-intercept of the equation y=−1/2x+4?

a)m = 4, b = −1/2

b)m = 4, b = 1/2

c)m = 1/2, b = 4

d)m = −1/2, b = 4

2)graph the equation using the slope and y-intercept.
y=−12x−3

3)find the slope of the line through the pair of points.

(9, 3) and (19, -17)

enter your answer in the box. this graph shows the costs of purchasing two types of laundry detergent.

4)which statement is true?

a)detergent a is less expensive than detergent b.

b)detergent b is less expensive than detergent a.

c)detergent a and detergent b cost about the same.

5)the graph shows the distance cars a and b travel.
which statement is true about the unit rates shown in the graph?

a)the unit rate for car a is greater because the slope is less than the slope for car b.

b)the unit rate for car b is greater because the slope is greater than the slope for
car a.
c)the unit rate for car a is greater because the slope is greater than the slope for car

d)the unit rate for car b is greater because the slope is less than the slope for car a.

6)malia works at a movie theater and is paid hourly. one month, she earned $388.80. the total amount she earns can be found using the equation y = 8.1x, where x is the number of hours she works and y is the total amount she earns in dollars.

bill works at a golf course and is also paid hourly. the table shows the total amount he is paid for different numbers of hours worked.
number of hours total amount earned
18 $144.90
28 $225.40
35 $281.75

how do the unit rates compare?

select from the drop-down menus to correctly complete the statement.

malia's unit rate bill's is greater .

7)what is the equation of this graphed line?

enter your answer in slope-intercept form in the box.

8)this graph shows the number of laps that jan runs as her coach times her.

what is the slope of the line and what does it mean in this situation?

select from the drop-down menus to correctly complete each statement.

the slope of the line

this means that jan

9)what is the slope of this line?

enter your answer in the box.

graph the equation on the coordinate plane.

y=−2x

will give !