Constant of Proportionality Tables Graphs Equations

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

• x

• y

• 1/2

• 2

Is this table proportional?

• Yes

• No

Is the graph proportional or non proportional?

• proportional

• non proportional

What is the constant of proportionality of the table given

• k = 1

• k = 3

• k = 2

• There is not one.

One of these tables represents a proportional relationship. Table _____ represents a proportional relationship. The equation is ____ = ___ ___

• Table A, y = 1.6x

• Table A, y = 0.625x

• Table B, y = 1.5x

• Table B, y = 2/3x

Is this table proportional?

• Yes

• No

Write an equation for this relationship.

• y = 18x

• y = 18.50x

• y = 22.50x

• There is no COP.

A student studies the same amount of time each day for a test. In 4 days, she studied 60 minutes. Which equation shows this relationship? Let x = the number of days.

• y = 4x

• y = 15x

• y = 60x

• y = 12x 

What was Brian's unit rate?

• 3/2 word per minute

• 35 words per minute

• 60 minutes per word

• 30 words per minute

Is the given table a direct variation? If so, what is the constant?

• Yes; 1/4

• Yes; 4

• Yes; 2

• No