Warm-up 2.8 Wednesday

Which best describes the graph represented in this table?

•  proportional
• non-proportional

y=kx.  What does the k represent?

• constant of proportionality
• multiplier
• scale factor
• all of these are correct

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• q=2
• q=9
• q=4.5
• q=6

Is this table proportional?

• Yes
• No

What is the constant of proportionality?

• $3
• $4
• $2
• $9

The constant of proportionality in the equation y = ½x is _______. 

• x
• y
• 1/2
• 2

Tags

CCSS.7.RP.A.2B

The constant of proportionality can be found by finding the __________  _____________.

• unit rate
• ratio rate
• proportion answer
• rational number

Tags

CCSS.7.RP.A.2B

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

Tags

CCSS.7.RP.A.2B

What makes a graph proportional?

• Straight line
• The line goes through the origin
• Curvy line
• Straight line and the line goes through the origin

A box of cereal cost $3.59 for 30 oz. How much is the unit rate per ounce? Round to the nearest cent.

• 11 cents
• 12 cents
• 13 cents
• 10 cents

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2