Question

For the following equation, state the value of the discrminant and then describe the nature of solutions.
-7x^2-10x+11=0
a. the equation has 2 real solutions.
b. the equation has 1 real solution.
c. the equation has 2 imaginary solutions.

Answer 1

is it 102 as the discriminant and c is the answer?

Answer 2

i think the discriminant is 408

Answer 3

\[(-10)^2-4\times (-7) \times 11=100+308=408\]

Answer 4

still get two real solutions though, since it is postive

Answer 5

hmm...ok, thanks...can you tell me how to get the descriminant, i was trying to look at my book, and its harder to understand..so i was trying to google it..confused here.

Answer 6

i see your solution...

Answer 7

sure
discriminant for
\[ax^2+bc+c=0\] is
\[b^2-4ac\]

Answer 8

sorry i meant for
\[ax^2+bx+c=0\]

Answer 9

I saw that part on how to do it..got confused..then i was looking at the purple math, more confused i got..i think i just need a break lol...thanks for the help satellite73...will be back shortly.

Answer 10

good luck!

Answer 11

Thanks bunches...:)