National 5 Maths Revision Quiz

Solve by factorising 2x² + 2x - 12?

• -2, 3
• 2, 3
• 2, -3
• -2, -3

Solve using the Quadratic Formula:
x² + 4x + 3 = 0

• x = 1 and x = 3
• x = 6 and x = -2
• x = -1 and x = -3

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5
• 9
• 8
• 6

• 8m²/8n²

• 13m/4n

• 13m²/4n²

• 8m/8n

Simplify

• (x-9)/(x+9)
• 1/(x-9)
• (x+9)
• 1/(x+9)

Make x the subject of y = mx + 1

• x = (y - 1)/m
• x = y - 1/m
• x = y/m - 1
• x = my - 1

Simplify the following surd...

• 3√2

• 2√3

• 9√2

• 3√6

Simplify fully: 
√32 + 5√32

• 6√32
• 24√8
• 24√2
• 6√8