Ratios/Proportions/Direct Variation/Complex Fractions

The number of apples sold varies directly as the cost. If 4 apples cost $0.45, find the cost of 12 apples.

• $1.35

• $106.67

• $0.45

• $0.15

Solve for x 

• x = 16
• x = 28
• x = 1/26
• x = 26

Tags

CCSS.6.EE.B.7

A shop produces 39 wetsuits every 2 weeks.  How long will it take the shop to produce 429 wetsuits?

• 18 wk
• 20 wk
• 22 wk
• 24 wk

Tags

CCSS.6.RP.A.3B

An equation of direct variation can be written in the form: y = kx

• True

• False

The letter k in the equation y = kx stands for

• the constant of proportionality

• king

• queen

Tags

CCSS.7.RP.A.2B

Do x and y show direct variation?

y = 2x + 3

• Yes

• No

Do x and y show direct variation?

y = x²

• Yes

• No

The graph of a direct variation must be a straight line and must pass though

• Quadrant 1 and 3

• Quadrant 2 and 4

• the origin (0,0)

Tags

CCSS.8.EE.B.5

Is this the graph of a direct variation?

• Yes

• No

Tags

CCSS.8.EE.B.5

Is this the graph of a direct variation?

• Yes

• No

Tags

CCSS.8.EE.B.5