Polynomial Test Review

Factor the given equation $x^2-10x-24=0$  

•  $x=\left\{4,6\right\}$  

•  $x=\left\{-6,-4\right\}$  

•  $x=\left\{-2,12\right\}$  

•  $f\left(x\right)=\left\{-12,2\right\}$  

Tags

CCSS.HSA-REI.B.4B

Factor x² + 4x - 21

• (x + 7)(x - 3)
• (x - 7)(x + 3)

Find the roots/zeros of x² - 3x - 10=0

• -2, 5

• -5, 2

Find the roots/zeros of x² - 2x - 24=0

• -6, 4

• -4, 6

Find the roots/zeros of x² - 9 = 0

• -3, 3

• -4, 4

Find the roots/zeros of x² - 25 =0

• -4, 4

• -5, 5

Find the roots/zeros of x² - 36 = 0

• -5, 5

• -6, 6

• 5

Factor x² - x - 20

• (x + 5)(x - 4)
• (x - 5)(x + 4)

Find the roots/zeros of x² + 5x -14 = 0

• -2, 7

• -7, 2

• 14, -5

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A