Solve by Square Root and Complete Square

Solve by taking the Square Root:

16a² - 9 = 0

• a = ± ³/₄

• a = ± ⁴/₃

• a = ± ⁹/₁₆

• a = ± ¹⁶/₉

Tags

CCSS.HSA-REI.B.4B

Solve by taking the Square Root:

4m² - 100 = 0

• m = ± 25

• m = 96

• m = ± 5

• m = -96

Tags

CCSS.HSA-REI.B.4B

Solve the equation using square roots:

x² = 121

• x = 60.5

• x = ± 11

• x = ± 12

• x= 11

Tags

CCSS.8.EE.A.2

What do you do to the b value to correctly complete the square?

• square it

• divide it by 2 and square the result

• divide it by 2 and take the square root of the result

• divide it by 2 only

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots:
a² + 9 = 9

• no solution

• a = 0

• a = 3 or -3

• a = 18

Tags

CCSS.HSA-REI.B.4B

Solve : x² = 16

• ± 4

• ± 8

• 4

• 8

Tags

CCSS.8.EE.A.2

Solve by taking square roots: 3 + r² = 12

• r = 3, r = - 3

• r = -3

• r = 3

Tags

CCSS.HSA-REI.B.4B

(x - 2) ² = 9

• ± 3

• 5  or  -1

• -5  or  1

• ± 9

Tags

CCSS.HSA-REI.B.4B

x² = 16

• ± 4

• ± 8

• 4

• 8

Tags

CCSS.8.EE.A.2

Solve by taking square roots:

3 + r² = 12

• r = 3, r = - 3

• r = -3

• r = 3

Tags

CCSS.8.EE.A.2