Question

Solve 2x2 - 8x = -7 using the quadratic formula?

Answer 1

you have to use a better notation. is it 2x^2-8x=-7 ?

Answer 2

Yes

Answer 3

okey so 2x^2-8x+7=0 right? The general formula for this kind of equations is ax^2+bx+c so a=2 b=-8 and c=7 use the quadratic formula .

Answer 4

Could you work that out and tell me what you did, using the formula? I just started learning this today so I am still a bit confused!

Answer 5

yes, look at the pic. ask the parts you dont understand. after finding a b and c you just plug in the values. hope you can see it clearly my handwriting is not decent :D

Answer 6

Hold on, taking a long time to load the picture :P

Answer 7

Can I have a download link? It doesn't want to open >.<

Answer 8

try this

Answer 9

Ok thats better!

Answer 10

https://gcs490.brainhoney.com/Resource/14610120,45A,0,0/Assets/flvs/algebra2_v10_gs-xml/res0061/05_03c_3_04.gif is the right answer :(

Answer 11

my answer is the same dude :D just different notations.