Solving for Quadratic Roots

Solve
(x-5)² = 25

• ±0

• ±10

• 10, 0

• -10, 0

Tags

CCSS.HSA-REI.B.4B

Solve
(x+3)²-5 = 9

• ±√14 -3

• √14 - 3

• ±11

• ±5

Tags

CCSS.8.EE.A.2

Solve by factoring
(x - 2 )² = 49

• -5, 9

• ^{7, -7}

• 9, -5

• ^{9, -9}

Tags

CCSS.8.EE.A.2

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

Solve
a² + 2a - 24 = 0

• a = -6, 4

• a = 6, -4

• a = 12, -2

• a = 8, -3

Tags

CCSS.HSA-REI.B.4B

What is this?

• This is the speed of light formula.

• This is the quadratic formula.

• This is the zero product property.

• This is scary.

Tags

CCSS.HSA-REI.B.4B

• -2, 4
• -8
• ±8
• No real solution

Tags

CCSS.HSA-REI.B.4B

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

How many zeros does this parabola have? 

• 3

• 2

• 0

• 1

Tags

CCSS.HSF-IF.C.7A

Solve
4m² - 100 = 0

• m=25, -25

• m=96

• m=5, -5

• m=-96

Tags

CCSS.8.EE.A.2