Math Challenge

Simplify the expression: 3x + 2y - 4x + 5y

• 5y - x

• -2x + 3y

• 2y - x

• -x + 7y

Convert 0.75 to a fraction in simplest form.

• 4/5

• 2/3

• 3/4

• 1/2

Solve for x: 2x - 5 = 7

• x = 10

• x = 5

• x = 8

• x = 6

Add 1/3 and 2/5. Write the answer in simplest form.

• 11/15

• 5/8

• 7/9

• 9/11

Factorize the expression: 4x^2 - 9

• (2x - 3)(2x + 3)

• (4x + 3)(4x - 3)

• (2x + 3)(2x - 3)

• (2x + 3)(2x + 3)

Convert 0.625 to a fraction in simplest form.

• 3/5

• 5/8

• 1/2

• 7/8

Solve for y: 3y + 8 = 20

• y = 7

• y = 5

• y = 6

• y = 4

Subtract 2/7 from 5/9. Write the answer in simplest form.

• 13/63

• 19/63

• 17/63

• 15/63

Simplify the expression: 2(3x - 4) - 5(2x + 1)

• -6x - 13

• -4x - 9

• -4x - 13

• -2x - 13

Convert 0.4 to a fraction in simplest form.

• 4/10

• 3/5

• 1/2

• 2/5