Quadratic Expression

Factorise x² + 5x + 6

• (x+2)(x+3)

• (x+1)(x+6)

• (x+1)(x+5)

• (x-1)(x+6)

Factorise x² + 12x + 20

• (x+1)(x+20)

• (x+1)(x+11)

• (x+2)(x+10)

• (x+4)(x+5)

Factorise x² + 4x - 21

• (x-2)(x+2)

• (x-1)(x+21)

• (x-3)(x+7)

• (x+3)(x+7)

Factorise x² - 5x +6

• (x-1)(x-5)

• (x-2)(x-3)

• (x+2)(x-3)

• (x+2)(x+3)

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

• 1

• 3

• 2

• 5

• (1)

• (2)

• (3)

• (4)

Evaluate the expression when y = -3

y² - 5y - 8

Mathematical Equivalence

ON

Tags

CCSS.6.EE.A.2C