Math 7 Review #1 - Ratio and Proportions

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Tags

CCSS.7.RP.A.2A

Does the table represent a proportional relationship?

• Yes.
• No.

Tags

CCSS.7.RP.A.2A

Does the table represent a proportional relationship?

• Yes.
• No.

Is this graph proportional?

• Yes
• No

What makes a graph proportional?

• Linear (straight line)

• The line goes through the origin

• Curvy line

What is the constant of proportionality?

• 3
• 4
• 2
• 1

What is the constant of proportionality?

• 5
• 1/5
• 6
• 1

A proportional relationship can be written as an equation in the form ____ = _____  _____

• y = k+x
• y = k-x
• y = kx
• y = k/x

If the scale factor is less than one (gets smaller), the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger