Solving Quadratic Equations Mixed Review

ax²+bx+c=0  is the standard form of a quadratic equation.

• True

• False

The quadratic equation can be used to solve quadratic equations that cannot be factored.

• True

• False

Tags

CCSS.HSA-REI.B.4B

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form

• Write down: a=1, b=6, c=-13

• Make it equal 0 by subtracting 3 on each side

• Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Factor x²-11x+24

• (x-3)(x-8)

• (x-2)(x-12)

• (x+3)(x+8)

• (x+2)(x+12)

• ±72
• ±12
• 12
• No real solution

Tags

CCSS.8.EE.A.2

• √3
• ±√3
• -3
• No real solution

Tags

CCSS.8.EE.A.2

±23.25

±5

±25

No real solution

• ±23.25

• ±5

• ±25

• No real solution

Tags

CCSS.8.EE.A.2

• ± 1/4
• ± 9/36
• ± 1/2
• No real solution

Tags

CCSS.8.EE.A.2

• -4, 2
• -2, 4
• -16
• -4

Tags

CCSS.HSA-REI.B.4B