brooklyn4932 brooklyn4932

03-06-2019
Mathematics

contestada

Please help? Will mark brainliest

Please help Will mark brainliest class=

Respuesta :

LokieDoll LokieDoll

04-06-2019

Answer:

The answer is C

Step-by-step explanation:

Move the nine to the other side of the equal sign

Use the quadratic formula

Find a, b, and c

A=2, B=1, C=-10

Plug them in

1 squared minus 4(2)(-10)

1+80

81

Square root of 81=9

-1-9 -1+9

4 4

-10 8

4 4

Simplify

-5 2

2 1

-5 2

2

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