Deck #3

Front 1

What is the x-intercept of the line whose equation is

y=(3/4)x - 12

a. 16

b. 9

c. 8

d. -12

Back 1

a.

Front 2

Which of the following sets of ordered pairs determines a function?

a.{(2,1), (1,0), (2,3), (-1,1)}

b. {(1,2), (0,1), (2,2), (-1,1)}

c. {(0,4), (-2,3), (1,2), (0,3)}

d. {(4,1), (3,2), (-6,4), (3,1)}

Back 2

b.

Front 3

Graphically speaking, what must be true for a graph to be considered a function?

a. one-to-one

b. pass the horizontal line test

c. pass the vertical line test

d. pass both the vertical and horizontal line test.

Back 3

c.



**it must pass both vert. and hori. for a function to have an inverse.

Front 4

What is the x-int, y-int, and slope of the following line?

-4y+2x=8

Back 4

x-int=4

y-int=-2

m=1/2

Front 5

Describe the following graph:

2x+3y<6

Back 5

It is a linear inequality

the line will be dotted, the shading will go down

the slope is -2/3

the y-int is 2

the x-int is 3

Front 6

What is the slope of the line whose equation is

8x - 4y = 7

a. 2

b. -7/4

c. -4/7

d. -2

Back 6

a.