Solve Quadratic Equations by Using Square Roots

Solve x²− 4 = 0

•  2 and -2

• 4 and -4

• 16 and -16

• 8 and -8

Tags

CCSS.HSA-REI.B.4B

Solve: k² - 6 = -50

• k = ±4i√11

• k = ±4√11

• k = ±2i√11

• k = ±2√11

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve: (x + 6)² = 1

• -5, -7

• 5, 7

• 5, -7

• -5, 7

Tags

CCSS.8.EE.A.2

Solve the quadratic equation by using square roots

• x=9 and x= -9

• x≈5.2 and x≈ -5.2

• x=0 and x=27

• x=27 and x= -27

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation by using square roots

• x=9 and x= -9

• x=0 and x= -3

• x=3 and x= -3

• x= 2.38 and x= -2.38

Tags

CCSS.HSA-REI.B.4B

• A
• B
• C
• D

Tags

CCSS.8.EE.A.2

• x = ±9/4

• x = ±2/3

• x = ±4/9

• x = ±3/2

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation by using square roots

• x=7 and x= -11

• x=11 and x= -11

• x=7 and x= -7

• x=7/3 and x= -11/3

Tags

CCSS.HSA-REI.B.4B

• x = 13.22, -13.22

• x = 12.88, -12.88

• No Solution

Tags

CCSS.8.EE.A.2

• {6.78,-6.78}

• {8,-8}

• {7,-7}

• No Solution

Tags

CCSS.8.EE.A.2