Question

What are the x– and y–intercepts of the quadratic equation y = 2x2 – 8x + 6?

Answer 1

\(y\) intercept is the easiest, replace \(x\) by 0 and find the result in your head (it is the constant)

Answer 2

i dont understand,

Answer 3

for the \(x\) intercept solve
\[2x^2-8x+6=0\]
there a few ways to do i, but no matter what method you use, you should divide by 2 first to make it easier and solve
\[x^2-4x+3=0\]

Answer 4

@TierraF what do you for \(y\) in the equation
\[y=2x^2-8x+6\] if you replace \(x\) by 0?

Answer 5

so the answer is 2 ?

Answer 6

no, there is no 2 in the answer

Answer 7

you want the \(y\) intercept, i.e. where the graph crosses the \(y\) axis

Answer 8

it crosses the \(y\) axis where \(x=0\) so replace \(x\) by 0 and compute

Answer 9

please what is the answer , i am in a rush

Answer 10

dont have a calculator

Answer 11

you do not need a calculator to compute
\[y=2\times 0^2-8\times 0+6\]

Answer 12

and of course you do have a calculator, because you are on a computer, so you can use the computers calculator, or an on line one like this one
http://www.wolframalpha.com/