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MilaCoolNess Group TitleBest ResponseYou've already chosen the best response.0
whats the question
 2 years ago

creighton Group TitleBest ResponseYou've already chosen the best response.0
what is the discriminate of this equation: y=4(x3)^2+8
 2 years ago

creighton Group TitleBest ResponseYou've already chosen the best response.0
hears the graph
 2 years ago

zainulafaq Group TitleBest ResponseYou've already chosen the best response.1
the discriminant is 2128 do you want me to explain it as well?
 2 years ago

Avva Group TitleBest ResponseYou've already chosen the best response.0
you can simply calculate the discriminate \[b^{2}  4ac\] by putting the equation in the form \[y=ax^{2} + bx +c\]
 2 years ago

creighton Group TitleBest ResponseYou've already chosen the best response.0
Please explain Sorry had bad internet
 2 years ago

Avva Group TitleBest ResponseYou've already chosen the best response.0
@zainulafaq is it 2128 or 128 ?
 2 years ago

creighton Group TitleBest ResponseYou've already chosen the best response.0
does the B and C stand as coordinates
 2 years ago

zainulafaq Group TitleBest ResponseYou've already chosen the best response.1
firstly expand the equation to standard for i.e \[a x^{2} +bx +c\] which in this case is \[4x^2 +24x 28\]
 2 years ago

zainulafaq Group TitleBest ResponseYou've already chosen the best response.1
a, b, c are coefficients of \[x^2 , x \] and constant respectively in the expanded form . .
 2 years ago

Avva Group TitleBest ResponseYou've already chosen the best response.0
no they are not coordinates it tells u the nature of the roots whether they are real or imaginary
 2 years ago

creighton Group TitleBest ResponseYou've already chosen the best response.0
k I got it so far Do we solve for x?
 2 years ago

zainulafaq Group TitleBest ResponseYou've already chosen the best response.1
then use the formula for discriminant as @Avva has suggested to find value of discriminant a=4, b24, c= 28
 2 years ago

zainulafaq Group TitleBest ResponseYou've already chosen the best response.1
No if the question asks for discriminant you just have to tell the numerical value of \[[b^2  4ac] \]
 2 years ago

creighton Group TitleBest ResponseYou've already chosen the best response.0
k so if we plug in the numbers 24^24(4)(28)
 2 years ago

zainulafaq Group TitleBest ResponseYou've already chosen the best response.1
exactly thats perfect
 2 years ago

creighton Group TitleBest ResponseYou've already chosen the best response.0
and we simplify to get our answer right
 2 years ago

creighton Group TitleBest ResponseYou've already chosen the best response.0
@zainulafaq so is it 130 and my work is shown below @zainulafq 24^24(4)(28) 576+16(28) 576448=130
 2 years ago

zainulafaq Group TitleBest ResponseYou've already chosen the best response.1
all of it is excellent except for last step . . 576448 = 128 not 130 . . .
 2 years ago

creighton Group TitleBest ResponseYou've already chosen the best response.0
whoops so 128 is my answer
 2 years ago

zainulafaq Group TitleBest ResponseYou've already chosen the best response.1
yup now its fine :)
 2 years ago

zainulafaq Group TitleBest ResponseYou've already chosen the best response.1
welcome :)
 2 years ago
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