Quadratics

Factorise
x² + 8x 

• (x + 2)(x + 4)
• (x + 8)(x + 1)
• x(x + 8)
• 2x(x + 4)

Factorise
x² - 6x - 16

• x(x - 6)
• (x - 8)(x - 2)
• (x + 2)(x - 8)
• (x - 4)(x - 4)

Factorise
2x² + 9x + 10

• (x + 10)(2x + 1)
• (2x +10)(x - 1)
• (2x + 5)(x + 2)
• (x + 1)(x + 10)

Factorise
3x² + 7x - 20

• (3x + 2)( x -10)
• (3x - 5)(x + 4)
• (x + 20)(3x - 1)
• (3x - 5)(x - 4)

Factorise

6x² - 23x + 20

• (3x - 4)(2x - 5)

• (3x - 4)(2x + 5)

• (3x + 2)(2x - 10)

• (3x + 2)(2x + 10)

FACTOR
7w³-14w

• 7w(w²-2)
• 7w(w²-2w)
• 7w(w-2)
• 7w(w+2)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:
24c⁵ - 12c³

• 6(4c⁵ - 2c³)
• 12c³(2c²)
• 12c³(2c² - 1)
• 12c³(2c² - 0)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Find the factors of 5x²+20x+20

• 5(x+2)(x+2)
• 5(x-2)(x-2)
• 5(x+2)(x-2)
• (5x+2)(x+2)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the vertex of the quadratic function: y=1/2(x-3)²+8?

• (3,8)
• (-3,-8)
• (-3,8)
• (3,-8)

What are the x-intercepts?

• 0 and 2
• -4 and 0
• 2 and 3
• 0 and 4

Tags

CCSS.HSF-IF.C.7A