Factors of 1 - x²

• (1 - x) (1 - x)

• (1 - x) (1 + x)

• (1 + x) (1 + x)

162.

What is the common factor of 2xy, 3pqr and 4lmn?

• 0

• 1

• 12

What is the common factor of p²q², p²q²r² and 3p²q²r²?

• 3pqr

• pq

• p²q²

If p = a + b and q = ab, then what are the common factors of x² + px + q?

• (x + a) (x - a)

• (x + a) (x + b)

• (x - a) (x - b)

What is the quotient when 24x²yz is divided by 6xyz?

• 4x

• 4x²

• 4

What is the quotient when -9pqr² is divided by -3qr?

• 3p

• -3pr

• 3 pr

What is the quotient when x² + 8x + 16 is divided by (x + 4)?

• 1

• (x + 4)

• (x - 4)

What is the quotient when 36 - p² is divided by (6 - p)?

• 1

• (6 - p)

• (6 + p)