Equations and Functions Review

You are looking for....

• domain

• y-intercept

• slope

• x-intercept

This is a _______ slope.

• dangerous

• negative

• positive

• upward

Is this a function?

• no

• yes

This is....

• a positive function.

• a function with a slope of 0.

• a negative function.

• a negative undefined line with a slope of 0.

Tamia has already baked 6 cupcakes, and she can bake 4 cupcakes with each additional stick of butter she buys. With 2 additional sticks of butter, how many total cupcakes can Tamia bake? Write an equation. (y=mx+b)

• y=6(2)+4

• y=2(4)+6

• y=4(2)+6

• y=2(6)+4

Cameron earns his money from number of one-on-one basketball games he wins at a rate of $20 per game. Write a function that represents Cameron's situation.

• y=20(1)+0

• y=20(x)+1

• y=0(20)

• y=20(x)+0

Find the slope of the line that passes through:
(-3, -4) and (7, 6)

• 0

• Undefined

• -1

• 1

What is the solution to the system?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

Which graph is a function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Is the following graph a function?

• Yes, because the x never repeats.

• Yes, because they are individual dots.

• No, because the x repeats.

• No, because it is not a line.