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I believe they have Negative Slopes as stated by my Geometry Book.

"Perpendicular Lines Have Slopes Which Are Negative ___"

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โˆ™ 2011-01-01 21:50:46
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Q: Would perpendicular lines have negative or positive slopes?
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Related questions

How do you prove a right angle using coordinate geometry?

Right angles are created by perpendicular lines. You first have to find the slopes of the lines. You know lines are perpendicular when the slopes are negative reciprocals. For example: If you find the slope of Line AB to be -2, in order for the lines to form right angles, the following line would have to be 1/2. So getting back to your question, calculate the slopes and show they are negative reciprocals. Hope I Helped!


When subtracting a negative and a positive your answer would be a positive?

If you are subtracting the negative from the positive, the answer will be positive. If you are subtracting the positive from the negative, the answer will be negative.


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A negative times a positive is a negative and that negative times a negative would = a positive. So the answer would be a positive number. *<:)


Would a positive multiplied by a negative be a positive?

No. A positive times a negative is always negative. A negative times a negative is always a positive.


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If a i positive, -a is negative; if a is negative, -a is positive.


What kind of slopes do perpendicular lines have?

The slopes of perpendicular lines are reciprocals of each other. For example. if one line had an equation like y= 2x+4 then the perpendicular's slope would be y=x/2+4 -- they are reciprocals of each other.


Are two lines with different slopes perpendicular?

Only by coincidence. Two lines on a graph are perpendicular if and only if one slope is the negative reciprocal of the other: meaning that if one line has a slope of 3/2, the other would have to have a gradient of -2/3.


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Two lines are perpendicular If one line has a slope of 1 over 21 what is the slope of the other line?

When two lines are perpendicular, their slopes are negative reciprocals. In the example, the perpendicular to y= (1/21) x would be y = -21 x For y = 2x, the perpendicular would be y= -½ x You invert the fraction and change the sign.


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Why is it when you multiply a negative by a positive you get a negative?

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How would you use the distance formula and the slope formula to prove that this figure is actually a rectangle?

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What would a negative times a positive be?

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Who would win a positive or a negative?

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If you are talking about the multiplication rules than they would be; a negative times a negative is a positive a negative times a positive is a negative


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