Slopes, Intercepts, Proportions

Is this a proportional relationship?

• Yes

• No

Tags

CCSS.7.RP.A.2A

What's the slope of this function?

Tags

CCSS.HSF-LE.A.1B

A function, f, is shown.

Which statements are true?

• The slope is 1/3

• The slope is 3

• The y-intercept is 1

• The y-intercept is -3

"The equation is

 $y=-2x+4$  
Do you agree?

• Yes, looks correct.

• No, the slope is wrong.

• No, the y-intercept is wrong.

The table shows two points on a line. What's the y=mx+b equation?

• 
  

  $y=\frac{2}{3}x-2$

• $y=3x+4$

• $y=2x-2$

• $y=\frac{1}{2}x+3$