Maths is fun!

Solve for x : 3(x + 1) = -6

• -2

• -3

• 1

• 7/3

Add the polynomials: 2a +3b + 5a -7b

• 7a -4b

• 7a +4b

• 3ab

• 7a -10b

Subtract the polynomials: (9x ² - 4x +11)- (3x ² - 2x + 2)

• 6x ² - 2x + 9

• 6x² - 2x + 13

• 6x ² - 6x + 9

• 6x ² - 6x +13

(x + 2)(x ² - 2x + 4) =

• x ³ + 8

• x ³ + 4x ² - 8x + 8

• x ³ - 4x ² + 8x + 8

• x ³ + 8x + 8

Expand: (2x - 3)²

• 4x ² - 9

• 4x ² + 9

• 2x ² -12x + 9

• 4x ² -12x + 9

Multiply: 2x(3x ² - 5x - 3)

• 6x ³ - 5x² - 6x

• 6x³ - 5x - 3

• 6x³ -10x ² - 3x

• 6x³ -10x ² - 6x

Given the equation –2x + 3y = 12, find the missing value in the ordered pair (–3,___)

• –6

• –2

• 6

• 2

Simplify: 8y – 2 – 3(y – 4)

• 11y – 6

• 5y – 6

• 5y – 14

• 5y + 10

For what value of k does the equation x²-12x+k = 0 have real and equal roots?

• 6

• 35

• 12

• 36

Factor completely: 12x⁴ - 20x ³ + 4x ²

One factor is:

• 4x ⁴

• 3x +1

• x -1

• 3x ² - 5x +1