SOLUTION: Determine the Equation of a vertical line that goes through the point (-3,7)

Question 970951: Determine the Equation of a vertical line that goes through the point (-3,7)
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
x = -3

since it's a vertical line, any value of y will satisfy the eqution.

y = 7 is just one of them.

the value of x is always -3.

the slope is undefined because there is no change in the value of x and the formula for slope is change in value of y divided by change in value of x.

the standard form of the equation for a straight line is ax + by = c.

when the line is vertical, the value of b is equal to 0.

you get ax + 0y = c

0y disappears and you are left with ax = c

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