Direct Proportionality

What equation is shown by the data on the table?

Tags

CCSS.6.EE.C.9

What is "m" for this graph?

Tags

CCSS.8.EE.B.5

Which situation does NOT describe a direct proportion?

• Biff earns $12.50 dollars per hour babysitting.

• Girl scouts earned $80 on Sunday washing 5 cars.

• Power Gym charges $50 per month and a $100 membership fee

• Harvey got a speeding ticket for going 85 miles per hour

Tags

CCSS.7.RP.A.2A

g is directly proportional to b

Given g=20 when b=4.

Find g when b=7

• 35

• 5

• 15

• 23

t is directly proportional to n². Given t=144 when n=6. Find the equation for t and n.

• t = 4n²

• t = 4n

• t = 24n

• t = 6n²

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

Tags

CCSS.7.RP.A.2B

Determine the constant of proportionality for the table. Express your answer as y = kx

• 15k

• x = 15y

• y = 0.06x

• y = 15x

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality?

• 45

• 50

• 27

• 1

Tags

CCSS.7.RP.A.2B

• Proportional

• Non-proportional

Tags

CCSS.7.RP.A.2D

Is the graph proportional or non proportional?

• proportional

• non proportional

Tags

CCSS.7.RP.A.2D