Question

Solve the system by graphing.If the system is inconsistent and has no solution,state this .If the system is dependent,write the form of the solution for any real number x.

4x+2y=-8
y=3/4+7

Answer 1

bring this to standard form, to graph it:
4x+2y=-8

Answer 2

Ok let walk it together ...My problem is on how to graph

Answer 3

Here is my solution now I need you to finish it for me
4x+2y=-8
y=(3/4)x+7
Now we rewrite as
4x+2y=-8
(3/4)x-y=-7

Divide the first equation by 2 and have
2x +y=-4
(3/4)x-y=-7
Add and get (2 3/4)x=-11 or (11/4)x=-11 or x=-4
and -16+2y=-8 gives y=4
(3/4)(-4)-4=-7

Answer 4

it is easier to bring the equations to standard form
if you need to graph them

Answer 5

So can you help out and also graph then I will give medal

Answer 6

4x+2y=-8

try to bring this to standard form
y=

Answer 7

y=-4

Answer 8

4x + 2y = -8
2y = -8 - 4x
y = -4 -2x

Answer 9

ok? :)

Answer 10

is that the final solution

Answer 11

we now have two equations
y = -4 -2x
y=3/4+7

Answer 12

we can graph them now

Answer 13

Can you graph it

Answer 14

yes wait a sec

Answer 15

y=3/4x+7 <- 3/4 is x , ri ght?

Answer 16

yes

Answer 17

ok

Answer 18

do you know
y=3/4x+7

what each part of the standard form say about the line?

Answer 19

No

Answer 20

ok, the number with no x is the shift upwards from the origin:
y=x+3

Answer 21

its called y-intercept "c" :)

Answer 22

so is this solution inconsistent and has no solution or dependent

Answer 23

we know if we draw both lines

the x term is the slope or height of the line:

Answer 24

ok?