Solving using Radicals

Solve for x:

(x + 6)² = 49

• x=7,12

• x=±7

• x=1,-13

• x=43,-55

Solve:
x² - 49 = 0

• x = -7, x = 7
• x = -7
• x = 7
• x = -7, x = 1

Solve.
n² - 5 = -4

• n = ±√9
• n = ±3
• n = ±1
• No real solution

• No Real Solution

• x = –8

  x = 12

• x = –12

  x = 5

• x = 5

  x = –3

• x = 2

  x = –2

• x = 0

  x = 12

• x = –14

  x = 6.5

• x = 8

  x = 4

• x = 3.333..

  x = 8.333..

Complete the square for

x² + 12x + ____

(find the missing number in the blank)

• x² + 12x + 144

• x² + 12x + 36

• x² + 12x - 36

• x² + +12x - 144

Solve by completing the square:
k² − 12k + 23 = 0

• {6 + √13, 6 - √13}

• {-6 + √13, -6 - √13}

• {6 + √59, 6 - √59}

• {-6 + √59, -6 - √59}