Grade 9-Math Challenge

• 3 inches

• 6 inches

• 9 inches

• 12 inches

• 2

• 3

• 4

• All of them

• 18

• 25

• 52

• 81

If y varies inversely as x and y is 6 when x is 2, find y when x is 4?

• 2

• 3

• 4

• 5

• 0

• 5 : 7

• 7 : 5

• 2 : 3

• 3 : 2

The sum of two numbers is 23 and their difference is 9. Find the larger number.

• 3

• 7

• 16

• 20