What is the possible discriminant of the graph?
a. –17
b. 0
c. 12
d. 49

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- anonymous

What is the possible discriminant of the graph?
a. –17
b. 0
c. 12
d. 49

- schrodinger

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- anonymous

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- anonymous

i dont know what discriminant means?

- anonymous

thats ok if u dont know, thanks anyway

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## More answers

- anonymous

i could answer the question for u if u tell me

- anonymous

its basically, the answer to part of the quadratic equation which is b^2 - 4ac

- anonymous

i c ok 1 sec

- anonymous

i think its 0, b, b/c it only has one x intercept, am i right?

- anonymous

..

- anonymous

well, if what you said for discriminate is correct then the answer I got is 36
b^2 - 4ac
(-6) ^2 - 4 a(0)
-6^2 = 36
-4a(0) = 0
but 36 is not one of the answers, did i do something wrong?

- anonymous

the equation of the graph is
\[y=(x+5)^2\]
which is equivalent to y = x^2+10 x+25
hence a=1,b=10 and c=25.
the discriminant is
10^2 -(4)(1)(25)=0

- anonymous

Oh i see, I thought that the (B,C) above the point was supposed to be b and c to solve the equation but instead you find the actual equation and solve with that. Thanks, event though this wasn't my question.

- anonymous

its a negative 5

- anonymous

Really? wow okay, i'm stupid, bad resolution on my screen made it look like b and c not -5 and 0 sorry.

- anonymous

its okay, so now what?

- anonymous

umm.. read what Safiah said.

- anonymous

i did but its not a Positive 5

- anonymous

on the graph its a 5

- anonymous

-5

- anonymous

okay, then put in the negative,
(x-5)^2
X^2-10x+25
a =1; b = -10; c = 25
b^2-4ac
(-10)^2 - 4 (1)(25)
100 - 100 = 0
same answer (by the way, when graphing exponential equations, what ever number added to x inside those () will be moved to the left on the x-axis)
what Safiah said was correct but even differently its the same answer

- anonymous

so its 0, b?

- anonymous

yea

- anonymous

thank u, so i was right bye

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