Direct Variation Note

What is the slope of the table?

• 2

• 1/2

• -2

• -1/2

Is this a direct variation?

• yes

• no

This table represents a direct variation.  What is the unit rate?

• 2

• 0.83

• 1.2

• 2.4

Y varies directly as x. If y = 12 when x = 15, what is y when x = 20?

• 4/5

• 17

• 16

• 25

n varies directly with c. If c = 24 when n = 18, what is c when n = 22?

• 88/3

• 28

• 66/4

• 24

What is the y-intercept of the table?

• 0

• -3

• 1/2

• -1

Is this a direct variation?

• yes

• no

Is this a direct variation?

• yes

• no

Is this a direct variation?

• yes

• no

Is this a direct variation?

• yes

• no