Week 10 Review - 2nd Semester

Solve by taking square roots:

5m² + 1 = 6

• m = 1

• m = 1 or -1

• m = √7

• m = 7/5 m = -7/5

Solve using square roots.

k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no real solution

Solve using square roots.
4m² - 100 = 0

• m=25, -25
• m=96
• m=5, -5
• m=-96

Solve by taking square roots.

x² +12 = 5

• x = ± 49

• No Real Solutions

• x = ± √7

• x = ± 5/12

Solve the equation using square roots.
x² = 121

• 60.5
• ± 11
• ± 12
• 11

Solve using square roots.

• ±81
• ±9
• ±3
• No real solution

• {6.78,-6.78}

• {8,-8}

• {7,-7}

• No Solution

x² = 16

• ± 4
• ± 8
• 4
• 8

-5x² = -50

• ± 5
• ± 10
• ± √10
• -10

7x² + 1 = 8

• ± 1
• ± 7
• ± √7
• ± 8