Grade 8 Math Competition

What is the value of 3²+4²?

• 25

• 12

• 49

• 19

Which of the following is a prime number?

• 21

• 39

• 51

• 53

What is the value of x in the equation 5x−7=18?

• 4

• 5

• 6

• 7

The square root of 144 is:

• 11

• 13

• 12

• 14

Which expression represents the area of a rectangle with length x+3 and width x−2?

• x2+1x^2 + 1

• x2−6x^2 - 6

• x2+x−6x^2 + x - 6

• x2−x+6x^2 - x + 6

If 2x+3=7, what is the value of x?

• 1

• 2

• 3

• 4

Which of the following is a solution to the inequality x−4<2?

• 7

• 5

• 6

• 8

What is the slope of the line y=2x−5?

• 2

• -5

• -2

• 5

Which number is a perfect cube?

• 20

• 27

• 30

• 36