Find the slope of line passing through the points (5, 9) and (5, -2) (Points : 1) -11 0 11 undefined you can give me the answer for an example (because i have many other questions like this) but if you do can you also explain how you got it. you also dont have to give the answer if you explain!
slope = (Y1 - Y0)/(X1 - X0), for given points P1=(X1, Y1) and P0=(X0, Y0)
its 11
she knows slope already
As you can see (5, 9) and (5, -2) will occur a division by zero, answer: Undefined
there is a formula.. slope(m) = (y2 - y1) / (x2 - x1) (5,9) x1 = 5 and y1 = 9 (5,-2) x2 = 5 and y2 = -2 now we sub slope(m) = (-2 - 9) / (5 - 5) slope(m) = -11/0 when there is a 0 in the denominator, it is a vertical line and the slope is undefined. If there would have been a 0 in the numerator, it would have been a horizontal line with a slope of 0. VNOX = vertical line, no slope or undefined, x = a constant (0 in the denominator) HOY = horizontal line, 0 slope, y = a constant (0 in the numerator)
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