SOLUTION: the graphs of x+y=4 and 3x+3y=6 A) intersects at the point(1,3) B) intersects at the point(3,1) C) do not intersect D) intersects at the point(2,2)

Question 830241: the graphs of x+y=4 and 3x+3y=6
A) intersects at the point(1,3)
B) intersects at the point(3,1)
C) do not intersect
D) intersects at the point(2,2)
Answer by erica65404(394) (Show Source): You can put this solution on YOUR website!
First make the equations slope-intercept form

This line has a slope of -1 and has a y intercept at (0,4).

This line has a slope of -1 and has a y intercept of (0,2).
These lines are parallel so they will never instersect. The answer is C.

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