Question

Use the discriminant to find the number of real solutions of the following quadratic equation: 2x2 + 2x + 2 = 0.
A. no real solutions
B. 1 real solution
C. 2 real solutions
D. 3 real solutions

Answer 1

2(x^2+x+1)

Answer 2

=0

Answer 3

so one solution?

Answer 4

2(x+1)^2=0

Answer 5

Divide both sides with 2.

Answer 6

(x+1)^2=0

Answer 7

x+1=0

Answer 8

x=-1

Answer 9

i have no clue what you are trying to do. it askes for solutions not evaluate

Answer 10

It IS the solution.

Answer 11

THE solution.

Answer 12

since its -1 that means no real solution

Answer 13

It is real and negative.

Answer 14

so ONE solution?

Answer 15

http://en.wikipedia.org/wiki/Real_number

Answer 16

I think yes.
If you want to be sure goe on this webpage
http://www.wolframalpha.com/

Answer 17

It helps a lot when you need help for equations.