Question

How many solutions are there to the equation -0.2x^2+12x+11=0? How do you know?

Answer 1

The number of solutions is less or equal to the highest power.

Answer 2

use discriminant
\[b^{2} -4ac\]
if >0: 2 solutions
if =0: 1 solution
if < 0: 0 solutions

Answer 3

* i should say real solutions

Answer 4

yes

Answer 5

So there are 2 solutions

Answer 6

what do you mean by solutions?
complex or real?

Answer 7

real

Answer 8

ok so did you do b^2-4ac

Answer 9

and just follow was the cow said above

Answer 10

complex answers have irrational numbers in them

Answer 11

no. It's hard for me to understand all that.

Answer 12

complex has imaginary answers in them

Answer 13

imaginary numbers*