Question

Solve the system.
y = x + 2 and y = -x + 0

(1, -1)
(-1, 1)
(1, 3)
(-1, 3)
no solution

Answer 1

We want to find where the lines intersect
so find where both y's are the same
by setting x+2 equal to -x+0
So solve x+2=-x for x and let me know what you get

Answer 2

-1 ?

Answer 3

Right. x=-1
Now replace x with -1 in one of the equations you began with to find y

Answer 4

You can use either y=x+2 or y=-x

Answer 5

So would the answer be no soloution?

Answer 6

?
Did you plug in -1 for x into one of the equations you started with?

Answer 7

Ohh, so would it be (1,-1)

Answer 8

You said x was -1

Answer 9

What is y?

Answer 10

You have y=x+2 or y=-x that you can use to find y

Answer 11

Just choose one of the equations
y=-x

Answer 12

We have x=-1
Replace x with -1

Answer 13

What do you get for y?

Answer 14

y=-(-1)=?

Answer 15

So after you figure out what y is
which is -(-1) <---simplify this of course
Then (x,y) is the your ordered pair

Answer 16

\[\Huge{\color{red}{\star \star}{(-1,1)}}\]

Answer 17

First find the value of y in any eq than put this value in other eq.:)