1.

Question

y=3x-7
y=-x+1

A. One Solution***
B. Infinitely Many
C. No Solution

2.
x+3y=12
x=y-8

A. One Solution
B. Infinitely Many***
C. No Solution

3.
x+y=5
x+y=-2

A. One Solution
B. Infinitely Many***
C. No Solution

Answer 1

@Ms. Sue can you help?

Answer 2

#1,#2: the lines have different slopes, so they will intersect in one point

#3 The lines are parallel, so they will not intersect at all.

You should try graphing the lines to see what happens. If you don't have any graph paper, there are lots of online graphing sites.

Answer 3

Thank you

I guessed it was

1. One Solution
2. One Solution
3. No Solution