Question

Can anyone help me with this? I will fan and medal!

Solve the quadratic equation by the square root property.

(2x + 5)2 = 49

A. {-6, 1}
B. {0, 1}
C. {-27, 27}
D. {1, 6}

Answer 1

take the square root of both sides of the equation

\[(x +a)^2 = b~~~then~~~~ x + a ~= ~\pm \sqrt{b}\]

then subtract 5 from both sides

Answer 2

lastly, you will need to simpify the answer...

Answer 3

opps forgot to say... divide the final answers by 2

Answer 4

Thank you! @campbell_st I chose C but it was wrong.. help?

Answer 5

@AMYCARTER

Answer 6

@playgames1122

Answer 7

im going with C

Answer 8

I chose c, but it was wrong? help? @playgames1122

Answer 9

ask my sister @ChicagoHusky

Answer 10

@ChicagoHusky can you help?

Answer 11

The answer is A

Answer 12

Thank you! @ChicagoHusky