Solving Quadratic Equations: Square Root Property Answers

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What are the solutions of the equation?

x = and x =

What is the first step in solving the equation x2 – = 0? | What is the second step in solving the equation?

Square both sides.

Take the square root of both sides.

Add 16/25 to both sides.

Subtract 16/25 from both sides.

What are the solutions of 12 – x2 = 0?

x = and x =

x = 6 and x = –6

Which equation results from taking the square root of both sides of (x + 9)2 = 25?

x + 3 = ±5

x + 3 = ±25

x + 9 = ±5

x + 9 = ±25

= If x + 9 = 5, then x =.

Answer:

-4

What is the solution of the equation (4x + 3)2 = 18?

x = and x = –3

x = and x = 3

x = and x =

If x + 9 = –5, then x =.

Answer:

-14

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