
Amanda D.
asked 06/25/21A(6, -3), B(-2, 4);x-axis find vertices
1 Expert Answer
If you mean that you need to find the vertex on the
x-axis, given these 2 points of a line, then we have
the following: Let points A = (6,-3) and B = (-2,4)
be on a line through the x-axis, where the slope
is m = (B_y - A_y) / (B_x - A_x), so
m = (4 - (-3)) / (-2 - 6) = 7 / -8 = -7/8,
so the equation that we must solve is:
m = (A_y - Z_y) / (A_x - Z_x) = -7/8,
so m = (-3 - 0) / (6 - Z_x) = -7/8,
so -3 = (6 - Z_x) * -7/8,
so -24/8 = -42/8 + 7*Z_x/8,
so -24 = -42 + 7 * Z_x,
so 18 = 7 * Z_x,
so our vertex on the x-axis is Z_x = 18/7.
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Mark M.
Find vertices of what?06/25/21