Math 9 QE

The number of pages that Eljohn Sprikitikwalastikkungpumitik can read varies directly with the time spent reading.

If he reads 12 pages in 4 minutes, how many pages can he read in 17 minutes?

• 51 pages

• 47 pages

• 60 pages

• 75 pages

In a direct variation, y = 39 when x = 3. 
Find the value of y when x = 2.

• 26
• 3
• 58.5
• 2

In a direct variation, y=39 when x=3.  Find the value of y when x=2.

• 26
• 3
• 58.5
• 2

In a direct variation, y = 39 when x = 3. 
Find the value of y when x = 2.

• 26
• 3
• 58.5
• 2

y varies directly with x. When y is 16, x is 32. Which equation represents this situation?

• y = 32x
• y = 16x
• y = 2x
• y = (1/2)x

Which of the following is the equation format for direct variation?

• y = mx + b

• y = kx

The phrase "y varies directly with x" means a relationship is a direct variation.

• True

• False

If there is no constant of proportionality, k, then the relationship is NOT a direct variation.

• True

• False

Is the relationship in the table a direct variation?

• Yes

• No

Is the relationship in the table a direct variation?

• Yes

• No