Determine the equation of the vertical line that passes through (9, -7)​

x = 9

Step-by-step explanation:

For a vertical line, slope is undefined as tan π/2 is undefined. Therefore we cannot express the equation of straight line in terms of it's slope.

For a vertical line, equation is given by, x = c where c is the point on x axis from which the given line passes.

Therefore x = 9 is the equation.

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dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.