solving quadratics (all methods)

• ±81
• ±9
• ±3
• No real solution

Tags

CCSS.8.EE.A.2

• -2, 4
• -8
• ±8
• No real solution

Tags

CCSS.HSA-REI.B.4B

• -4, 2
• -2, 4
• -16
• -4

Tags

CCSS.HSA-REI.B.4B

Find the zeros of this quadratic.

• b=4/5, b=3
• b=4, b=-3
• b=1/5, b=3
• b=4/5, b=-3

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

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

9k² = 225

• 4
• 4, -4
• 25, -25
• -5, 5

Tags

CCSS.8.EE.A.2

Solve the quadratic equation by factoring
a² + 10a + 21 = 0

• ± √21
• -3 , -7
• 3 , 7
• 28 , -7

Tags

CCSS.HSA-REI.B.4B

Solve
4m² - 100 = 0

• m=25, -25
• m=96
• m=5, -5
• m=-96

Tags

CCSS.8.EE.A.2

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

Which method is most efficient to solve:
8x²  -  5x  = 0

• Square Roots
• Greatest Common Factor
• X-Factor
• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B