Question

Some Algebra 1 Questions.. Did I get these right?
What is the value of the y variable in the solution to the following system of equations?
3x - 6y = 3
7x - 5y = -11
is it "-2"?
What is the value of the x variable in the solution to the following system of equations?
2x - y = 6
4x - 2y = 12
is it "x can be any number as there are infinitely many solutions to the system." or "0"?
What is the value of the x variable in the solution to the following system of equations?
4x + 2y = 12
x - y = 3
Is the answer "3"?
THANKS

Answer 1

I figured someone could also check these for me? If you want, they should be easy enough.
The graph of a system of equations will intersect at more than 1 point.
Always

The graph of a system of equations with the same slope will have no solutions.
Never (or is it Sometimes...?)

The graph of a system of equations will intersect at exactly 1 point.
Sometimes

Answer 2

#1 is correct

Answer 3

I would assume if you did these the exact same way. you got it down. So its safe to say your correct

Answer 4

Well, sometimes I do problems and I mess up something really simple or I use the same method and screw up, soooo it's not safe to say I'm correct XD

Answer 5

graph of a system. same thing applies if you know this well enough. its always best to go with your first answer is what my american government teacher said..

Answer 6

I know that, but sometimes I just need to be checked. I get weird with math.
o:

Answer 7

haha don't worry I'll see if somebody can check these @timo86m
Please check these for her :o

Answer 8

okay

Answer 9

3x - 6y = 3
7x - 5y = -11
is it "-2"?

yes but plug that back in to either equation to get the other :)

x = -3, y = -2 good job :)

Answer 10

oh wait you want just the y :D nvrmnd

Answer 11

you are right good job :)

Answer 12

On all of them? o.O

Answer 13

2x - y = 6
4x - 2y = 12

x=x

Answer 14

Told you bugsey o_o

Answer 15

doing one by one :)

Answer 16

4x + 2y = 12
x - y = 3

x=3

Answer 17

you are right on all of them :D

Answer 18

sweet! :D Thank you!

Answer 19

told ya never doubt your first answer

Answer 20

What is the value of x in the solution to the following system of equations?

x − 2y = 2
3x + y = 6 @Sparklestaraa can you help

Answer 21

this is such a long thread too many questions for one post!!
parallel lines have the same slope no solution

Answer 22

What is the value of the y variable in the solution to the following system of equations?
3x - 6y = 3
7x - 5y = -11