Mathematics Challenge

Simplify the expression: √(16) + 3^2

• 10

• 19

• 25

• 7

Which of the following is a real number: 5, √(-9), 3/4, π

• π

• 3/4

• 5

• √(-9)

Simplify the rational expression: (2x^2 + 5x - 3) / (x^2 - 4)

• (2x + 3) / (x + 2)

• (2x + 3) / (x - 2)

• (2x - 3) / (x + 2)

• (2x - 3) / (x - 2)

If a:b = 3:4 and b:c = 5:6, find the value of a:b:c

• 3:4:5

• 9:12:15

• 6:8:10

• 15:20:24

Evaluate the value of 5^3 ÷ 5^2

• 5

• 25

• 15

• 10

Simplify the expression: √(25) + √(81) - √(16)

• 8

• 15

• 12

• 10

If 3x + 5 = 20, find the value of x

• 25

• 5

• 15

• 10

Which of the following is a rational number: √(2), 3/5, π, -7

• 3/5

• √(2)

• π

• -7

Simplify the rational expression: (x^2 - 4) / (x^2 + 3x + 2)

• (x-2)/(x+1)

• (x^2-4)/(x^2-3x+2)

• (x+2)/(x-1)

• (x-3)/(x+2)

Evaluate the value of √(49) + 2^3

• 56

• 25

• 10

• 15