Question

the graphs of the equations y=2x-7 and y-ky=7 are parallel when k equals..?

Answer 1

two lines are parallel if their slopes are the same

Answer 2

so how do i solve this?

Answer 3

equation of a line in the slope intercept form is y = mx+b.
where m is the slope.

Answer 4

so not the first equation but the second one, i have to put it in y=mx+b right?

Answer 5

yes, put the second equation in the slope intercept form.

Answer 6

how would i do that

Answer 7

wait. are you sure the second equation is y - ky = 7?

Answer 8

noo its y-kx=7

Answer 9

okay. so express it in the form y = mx+b, in otherwords, isolate y on the LHS and take the x term and constant term over to the RHS

Answer 10

Y=KX+?

Answer 11

Y=KX+7?*

Answer 12

yes.

Answer 13

so the equations y = 2x-7 and y = kx+7 are parallel when their slopes are parallel.
for an equation y = mx+b, m is the slope. these hints should be more than enough to help you solve this problem

Answer 14

sorry I meant to say they are parallel when their slopes are equal.

Answer 15

its okay, thankyou

Answer 16

you are welcome.