Grade 9 practice test 2

• Common Factor

• Difference of Squares

• Quadratic

• This doesn't factorise

FACTORISE

x²-11x+30

• (x-6)(x-5)

• (x-6)(x+5)

• (x-6)(x+5)

• IMPOSIBLE

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Select the correct expansion of

(1 + 4x)³

• 1 + 12x + 12x² + 4x³

• 1 + 12x + 48x² + 64x³

• 1 + 3x + 3x² + x³

• 1 + 4x + 16x² + 64x³

Find the 2nd term in the expansion of 
(2b + 1)³

• 12b²
• 6b
• 8b³
• 4b²

Select the correct expansion of

(1 + 4x)³

• 1 + 12x + 12x² + 4x³

• 1 + 12x + 48x² + 64x³

• 1 + 3x + 3x² + x³

• 1 + 4x + 16x² + 64x³

Expand and simplify the following quadratic expression...

(x + 3)(x + 2)

• x² + 5x + 6

• x² + 5x + 5

• x² + 6x + 6

• x² + 6x + 5