6. y = 2x - 1 and y = x + 3

***A. (4,7)
B. (7, 4)
C. (-7, -4)
D. infinite solutions

7. y = 4x and y + x = 5

A. (-4, 1)
B. (1, 4)
C. (-3, 2)
***D. (2,3)

8. What will the graph look like for a system of equations that has no solution?

A. The lines will be perpendicular.
***B. The lines will cross at one point
C. Both equations will form the same line
D. The lines will be parallel.

1 answer

#6 ok

#7 ?!?!!?
y = 4x and y + x = 5
4x+x = 5
x=1
...

#8 ?!?!?!?
NO SOLUTION
They never cross. Parallel