Solve Quadratics using Square Roots

Solve: (x + 6)² = 1

• -5, -7

• 5, 7

• 5, -7

• -5, 7

Tags

CCSS.HSA-REI.B.4B

Solve: 2(x - 3)² - 14 = 18

• 1, 7

• -1, 7

• -1, -7

• 1, -7

Tags

CCSS.HSA-REI.B.4B

Solve: 2(w + 1)² = 72

• w = 6, -6

• w = 5, -7

• w = 5, -5

• w = 5

Tags

CCSS.HSA-REI.B.4B

Solve x²− 4 = 0

•  2 and -2
• 4 and -4
• 16 and -16
• 8 and -8

Tags

CCSS.8.EE.A.2

Solve: 2x²= 30

• x= √30

• x= ±5

Tags

CCSS.8.EE.A.2

• {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.8.EE.A.2