Solving Simple Quadratics by Taking Square Root

(x + 3)² = 36

• x = √36

• x = √39

• x = -9 and x = 3

• x = 9 and x = -3

Tags

CCSS.HSA-REI.B.4B

x²−10=19

• x = √29

• x = ±2√9

• x = ±29

• x = ±5√19

Tags

CCSS.8.EE.A.2

Solve using square roots.

• ±√9

• ±3

• ±1

• No real solution

Tags

CCSS.HSA-REI.B.4B

Solve.

• A

• B

• C

• D

Tags

CCSS.8.EE.A.2

• ±√9
• ±3
• ±1
• No real solution

Tags

CCSS.HSA-REI.B.4B

±23.25

±5

±25

No real solution

• ±23.25

• ±5

• ±25

• No real solution

Tags

CCSS.8.EE.A.2

Solve using square roots.

• A

• B

• C

• D

Tags

CCSS.8.EE.A.2

Solve using square roots.

k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no real solution

Tags

CCSS.8.EE.A.2

Solve for the x-values.

• x = √9 and x = -√9

• x = 3 and x = -3

• x = 1 and x = -1

• No real solution

Tags

CCSS.8.EE.A.2

• x = 13.22, -13.22

• x = 12.88, -12.88

• No Solution

Tags

CCSS.8.EE.A.2