Quarter 2 Summative Test

• Constant of Proportionality

• Constant of Variability

• Variable

• Coefficient

Which of the following equations is an example of y varies directly with x?

• y = 5x +2

What is the variation equation of the graph below?

If y varies directly with x, find the constant of proportionality if y is 3 when x is 12.

• 4

• 1/4

• 36

• 24

Ron hired 3 men to fix a fence on his farm. It took them 10 hours to finish. If he hired 2 more men, how long would it take to finish?

• 8 hours

• 6 hours

• 4 hours

• 2 hours

Ron hired 3 men to fix a fence on his farm. It took them 10 hours to finish. If he hired 2 more men, how long would it take to finish? How would you describe this problem?

• Direct Variation

• Joint Variation

• Indirect Variation

• Combined Variation

Sally bought 4 chairs for $10. Her neighbor bought 10, how much did she spend?

• $40

• $35

• $30

• $25

If a varies directly as b and a is 6 when b is 9, find b when a is 8.

• 18

• 16/3

• 27/4

• 12

If 36 men can do a piece of work in 25 days, in how many days will 15 men do it?

• 50

• 56

• 60

• 72