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The answer depends on the signs of the original intercepts.x negative, y negative: negative slope becomes less negative and could go positive.x negative, y positive: positive slope becomes greater.x positive, y negative: positive slope becomes less positive and could go negative.x positive, y positive: negative slope becomes more negative.For 1 and 3, the slope changes sign when the y intercept crosses the origin.
NoIf the slope of a given line is x, than the slope of the line perpendicular to the first line is 1/-x. So if the first slope is negative, the second will be positive, and vice versa.
Because one slope is positive while the other slope is a negative reciprocal of it. For example: 2*-1/2 = -1
its -2 1
Depends on how big they are. The resulting number could be positive or negative. Negative 1/4 and Positive 1/2 will be a Positive 1/4. Positive 1/4 and Negative 1/2 will be a Negative 1/4.