Ask your own question, for FREE!
Mathematics 24 Online
OpenStudy (epicteatime):

y = x2 + 4x - 12

OpenStudy (epicteatime):

find the x- intercepts

OpenStudy (epicteatime):

@matricked

OpenStudy (anonymous):

for findind x-intercepts put y =0

OpenStudy (anonymous):

y = x2 + 4x - 12 so 0=x2 + 4x - 12 and then factorise...

OpenStudy (epicteatime):

oh

OpenStudy (epicteatime):

x^2+6x-2x-12

OpenStudy (epicteatime):

then (x^2+6x) (-2x-12)?

OpenStudy (anonymous):

x2 + 4x - 12 =0 so x2 + 4x - 12 =0 x2 +(6-2)x -12 =0 [4 = 6-2]

OpenStudy (anonymous):

yup proceed you r in correct direction...

OpenStudy (epicteatime):

(x+6) (x-2)?

OpenStudy (anonymous):

x2 +(6-2)x -12 =0 x2 +6x-2x -12 x(x+6) -2(x+6) = 0 (x+6)(x-2) =0

OpenStudy (epicteatime):

yay!

OpenStudy (epicteatime):

x=-6 and x=2 right?

OpenStudy (anonymous):

yup

OpenStudy (epicteatime):

thx you :3

OpenStudy (anonymous):

yw

OpenStudy (epicteatime):

can you help with 1 more?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!