SOLUTION: Are the two graphs in the same family? If so please explain why. : y=-2x+3 and y=2x+3

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Question 287963: Are the two graphs in the same family? If so please explain why.
: y=-2x+3 and y=2x+3
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Pair of Straight Lines
- Pair of straight lines is a family of lines through the point of intersection of two lines.
These lines are not parallel and therefore do intersect.
x = 0, y = 3
slopes are -2 and 2
Paralle lines would have the same slopes.
perpendicular would be -2 and 1/2 or 2 and -1/2