SOLUTION: Hello, Please Help I need some help how would I find an equation with the Point of intersection (4,3)on a graph? Please help me. Thank you for your help. Mark

Question 157013: Hello, Please Help
I need some help how would I find an equation with the Point of intersection (4,3)on a graph?
Please help me.
Thank you for your help.
Mark
Answer by gonzo(654) (Show Source): You can put this solution on YOUR website!
to get the line to pass through a point, solve the formula and see where the y value lies.
add or substract a constant value to get you to where you want to be.
example:
formula is y = 5x because you want the slope to be 5.
you want to pass through (4,3)
solving the formula for x = 4, you get y = 5x = 20.
now you want to be at 3, not 20, so you need to subtract 17.
formula now becomes y = 5x - 17.
now when x = 4, y = 20 - 17 = 3 which is where you want it to be.

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