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2-53.

Find the equation of the line through the vertex of with a slope of . Write your answer in point-slope form.

Find the coordinate of the vertex.

There are many ways to find a vertex. One way is by using the formula:

This will give you the -value of the vertex. Then evaluate to find the -coordinate.

Find the equation of the line in point-slope form.

Since the slope is given and a point is known (the vertex), find the equation of the line in point-slope form: