Solving Quadratic Roots

Solve by factoring
(x - 2 )² = 49

• -5, 9

• ^{7, -7}

• 9, -5

• ^{9, -9}

Solve using square roots.

• ±81

• ±9

• ±3

• No real solution

Find the zero(s) by taking square roots.

Solve by taking the square root:

4x² = 100

• x = ±10

• x = ±25

• x = ±5

• x = 5