Unit 3 Wrap up

Which store has the cheapest ice cream?

• Store A

• Store B

• Store C

This graph is proportional

• True

• False

The line in graph A has a _____________________ slope

• Positive

• Negative

• Undefined

• Zero

The line in graph B has a __________________ slope.

• Positive

• Negative

• Undefined

• Zero

The line in graph C has a _________________ slope.

• Positive

• Negative

• Undefined

• Zero

 $y\ =\ -4x\ +\ 18$  

Label the slope and y-intercept of this equation

• slope = -4

• y-intercept = -4

• slope = 18

• y-intercept = 18

Find the slope of the line

• 1

• -1

• -4

• 1/4

What is the y-intercept of this line?

• (0,0)

• (1,0)

• (0,1)

• (-1,0)

Write an equation in slope-intercept form, using the given information

y-intercept= 17

slope= 1/4

Slope is know as rise/

• run
• fall
• none
• rise