Question

The graph below shows the relationship between the number of minutes Ray walks and the number of calories he burns.







Which equation can be used to find the number of calories
Ray burns when he walks for
minutes?

A
�=�−4y=x-4y=x−4
B
�=�4y=\frac{x}{4}y=
4
x
​

C
�=4�y=4xy=4x
D
�=�+4y=x+4y=x+4

Answer 1

B
�=�4y=\frac{x}{4}y=
4
x
​

Answer 2

he assignment was to draw a graph through the point (-5, -2) with a slope of 2. One student drew the graph below, but it was incorrect.





Choose the two statements below that are true.

A
The student incorrectly graphed the point (-5, -2).

B
The student graphed a line with a slope of -2 instead of a slope of 2..

C
The student graphed a line with a slope of 1 instead of a slope of 2.

D
If the graph was correct, it would also include the point (-4, 0).

Answer 3

B
The student graphed a line with a slope of -2 instead of a slope of 2.

D
If the graph was correct, it would also include the point (-4, 0).

Answer 4

The equation y=0.25x describes a proportional relationship between x and y. What is the constant of proportionality?


k =

Answer 5

k = 0.25