Solving for X with Squares

2x² = 200

• x = ± 14.14

• x = ± 100

• x = ± 14.15

• x = ± 10

100c² = 9

• 3/10

• 3

• √9/100

• -3/10 and 3/10

• -45 and 45
• -5 and 5
• -225 and 225
• -15 and 15

• 9

• -9

• 40.5

• -40.5

x² + 4 = 68

• ± 8

• ± √8

• 8

• ± 64

x² = 121

• 11,-11

• 11

• -11

• 10,-10

Solve by taking square roots:
k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no solution

Solve by taking square roots: x² + 16 = 97

• k = √97

• k = 81 or - 81

• k = 9, k = -9

• no solution