Quadratic Expression

x² - 5x + 6, What two numbers multiply together to give 6 but when added together give -5 ?

• -1 and -4

• 1 and 6

• -2 and -3

• 2 and 3

x² - 9x + 14, What two numbers multiply together to give 14 but when added together give -9 ?

• -9 and 1

• 1 and -9

• -2 and -7

• 2 and 7

Factorise x² + x - 12

• (x+3)(x+4)

• (x-3)(x+4)

• (x-2)(x+6)

• (x-2)(x-6)

x² − 7x − 18

• (x − 9)(x + 2)

• (x + 9)(x + 2)

• (x − 9)(x - 2)

• (x − 9)(x - 2)

x² − 16x + 63

• (x + 9)(x + 7)

• (x − 9)(x + 7)

• (x + 9)(x − 7)

• (x − 9)(x − 7)

Tags

CCSS.HSA-REI.B.4B

7x² − 45x − 28

• 7(x + 4)(x − 7)

• (x + 4)(7x - 7)

• (7x + 4)(x − 7)

• (7x - 4)(x + 7)

2b² + 17b + 21

• (2b + 7)(b + 3)

• (2b + 3)(b - 7)

• 2(b + 3)(b + 7)

• (2b + 3)(b + 7)

7x² − 32x − 60

• (7x + 10)(x − 6)

• 7(x + 10)(x − 6)

• (7x - 10)(x − 6)

• (7x - 10)(x + 6)

p² − 5p − 14

• ( p + 2)( p + 7)

• ( p + 2)( p − 7)

• ( p - 2)( p − 7)

• ( p - 2)( p + 7)

m² − 9m + 8

• (m + 1)(m − 8)

• (m − 1)(m + 8)

• (m − 1)(m − 8)

• (m + 1)(m + 8)