Solving Quadratic Function by Factoring and Square roots

Solve

x² + 2x - 20 = 4

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Solve:
x² - 49 = 0

• x = -7, x = 7
• x = -7
• x = 7
• x = -7, x = 1

Tags

CCSS.8.EE.A.2

Solve.

x² +12 = 5

• x = ± 49

• No Real Solutions

• x = ± √7

• x = ± 3.5i

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots:
5m² + 1 = 6

• m = 0
• m = 1 or -1
• m = √7
• m = 7/5 m = -7/5

Tags

CCSS.HSA-REI.B.4B

• {49,-49}

• {8,-8}

• {7,-7}

• No Solution

Tags

CCSS.8.EE.A.2

Solve using square roots.

• ±81
• ±9
• ±3
• No real solution

Tags

CCSS.HSA-REI.B.4B

What type of equations always include an x²?

• Quadratic

• Linear

• Exponential

• Quartic

Tags

CCSS.HSA.REI.B.4

What are the roots of the quadratic equation?

Tags

CCSS.HSA-REI.B.4B

• No real solutions

Tags

CCSS.HSA-REI.B.4B

• x=5, -5

• x=100, -100

• x=25, -25

• x=10, -10

Tags

CCSS.8.EE.A.2