Solving Quadratic Equations: Square Root Property

Question 1

What are the solutions of the quadratic equation 49x2 = 9?

Revolt · Accepted Answer

x = and x =

Question 2

02/34/34

Revolt · Accepted Answer

0

Question 3

Solve x2 – 64 = 0. Isolate x2: x2 = 64 Apply the square root property of equality: Isolate the variable: x = x =

Revolt · Accepted Answer

8; Selection 1: 8; Selection 2: –8

Question 4

What are the roots of f(x) = x2 – 48?

Revolt · Accepted Answer

and

Question 5

Solve for x if 2(5x + 2)2 = 48.

Revolt · Accepted Answer

x = and x =

Question 6

Joaquin has created a small treasure map that is in the shape of a square. He decides to make a larger version of the map, and on this new map he increases each side by 6 inches. The area of this larger version of the map is 121 square inches. What are the dimensions of his original, smaller map?

Revolt · Accepted Answer

5 inches by 5 inches

Question 7

4567

Revolt · Accepted Answer

6; Selection 1: 6; Selection 2: 36

Question 8

Question 81855

Revolt · Accepted Answer

Sonya found that x = is one solution of (6x + 4)2 = . The other solution is x = .: 16; Sonya found that x = is one solution of (6x + 4)2 = . The other solution is x = .: 0

Question 9

–16–8816

Revolt · Accepted Answer

16; Selection 1: 16; Selection 2: 0

Question 10

Analyze Marika’s steps. Which statement is true about her work?

Revolt · Accepted Answer

There are no real solutions to this equation because the square root of a negative number is not a real number.

Solving Quadratic Equations: Square Root Property Answers

More from this Course

TRY EDGENUITY HACKS