Question

Solve graphically. Then classify the system as consistent or inconsistent and the equations as dependent or independent.

y = 3x + 7,
3x + 2y = -4

Answer 1

Do you have a graphing calculator?

Answer 2

no i don't :(

Answer 3

ok here's a good online graphing calculator

https://www.desmos.com/calculator

Answer 4

type in both equations to graph each one

where they cross is where the solution is located

Answer 5

awww Thanks so much!! ill try that ! :D

Answer 6

tell me where they cross

Answer 7

ok one sec

Answer 8

alright

Answer 9

here is a picture of it

Answer 10

good, so where do they cross

Answer 11

you can click that intersection point to make it label the point

Answer 12

The red one is (-2.3,0) and the blue one is (-2,1)

Answer 13

I meant where the red and blue line intersect

Answer 14

ohh they intersect just at (-2,1) right?

Answer 15

good

Answer 16

that's the solution to the system of equations

Answer 17

yay!! :D

Answer 18

ie, x = -2, y = 1

Answer 19

Thank you so much Jim your best like always!!

Answer 20

you're welcome