Review #1: (NOT GRADED) Constant of Proportionality

The point (0, 0) is called the origin.

• True
• False

Tags

CCSS.6.NS.C.6B

The horizontal axis is the y-axis.

• True
• False

Tags

CCSS.6.NS.C.6B

Unit means...

• one
• two
• three
• four

Tags

CCSS.1.G.A.3

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute
• 100 words per minute
• 400 words per minute
• 412 words per minute

Tags

CCSS.6.NS.B.2

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

The constant of proportionality is also the unit rate.

• True
• False

Tags

CCSS.7.RP.A.2B

A proportional relationship can be written as an equation in the form:

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

Tags

CCSS.7.RP.A.2C

Which of the following is the correct formula for finding the constant of proportionality?

• k = x/y
• k = y/x
• y = k/x
• x = k/y

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

Tags

CCSS.7.RP.A.2D

How do you find the constant of proportionality for a graph?

• Pick a point on the line and use the formula x/y

• Pick a point on the line and use the formula y/x

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none (not proportional)

Tags

CCSS.7.RP.A.2B