


Which graph represents the function?


1.



2.

Write a function rule that gives the total cost c(p) of p pounds of sugar if each pound costs $.59.


3.

A snail travels at a rate of 2.35 feet per minute.
• Write a rule to describe the function.
• How far will the snail travel in 5 minutes?
a.

; 11.75 ft 
c.

; 2.13 ft 
b.

; 7.35 ft 
d.

; 11.75 ft 


4.

Find the range of for the domain {–1, 3, 5, 8}.



Find the slope of the line.


5.

_{}


6.




What is the slope of the line that passes through the pair of points?


7.

(1, 7), (10, 1)


8.




What is the slope of the line?


9.




Does the equation represent a direct variation? If so, find the constant of variation.


10.

a.

no 
b.

yes; k = 
c.

yes; k = 
d.

yes; k = 


11.

a.

no 
b.

yes; k = 
c.

yes; k = 
d.

yes; k = 



What are the slope and yintercept of the graph of the given equation?


12.

y = –4x + 2
a.

The slope is –2 and the yintercept is –4. 
b.

The slope is 2 and the yintercept is –4. 
c.

The slope is 4 and the yintercept is –2. 
d.

The slope is –4 and the yintercept is 2. 


13.

y = x


14.

y = 1.9x + 2.5
a.

The slope is 1.9 and the yintercept is 2.5. 
b.

The slope is 2.5 and the yintercept is 1.9. 
c.

The slope is –1.9 and the yintercept is –2.5. 
d.

The slope is –2.5 and the yintercept is 1.9. 



Write an equation of a line with the given slope and yintercept.


15.

m = –5, b = –3
a.

y = –5x – 3 
c.

y = 5x – 3 
b.

y = –5x + 3 
d.

y = –3x – 5 


16.

m = , b =



What equation in slope intercept form represents the line that passes through the two points?


17.

(2, 5), (9, 2)



Write an equation in pointslope form for the line through the given point with the given slope.


18.

(8, 3); m = 6


19.

(–10, –6); m =
a.

y – 6 = (x – 10) 
c.

y + 6 = (x + 10) 
b.

y – 6 _{ }= (x + 10) 
d.

y + 10 = (x + 6) 



Graph the equation.


20.

y – 4 = ( x + 1)



Find the x and yintercept of the line.


21.

–4x + 2y = 24
a.

xintercept is –6; yintercept is 12 
c.

xintercept is –4; yintercept is 2 
b.

xintercept is 12; yintercept is –6 
d.

xintercept is 2; yintercept is –4 



Match the equation with its graph.


22.

–4x – 2y = 8


23.

Write y = x + 5 in standard form using integers.
a.

–x – 6y = 30 
c.

–x + 6y = 30 
b.

6x – y = 30 
d.

–x + 6y = 5 
