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Q: What is the slope of the line perpendicular to line whose slope is 2 over 10?

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-5/3 it is always the opposite reciprocal for a perpendicular slope

The slope (rise over run) of one line will be a number (n) or (-n) and the perpendicular line's slope will be the exact opposite. So, for instance, if one line has a slope of 2/3, then a perpendicular line's slope must be -2/3, and vice versa.

Since the inverse of a function is it's reflection over the line x=y, which has a slope of 1. The only way a function can be It'a own inverse is if it is a liner function whose slope is perpendicular to the line. Since a perpendicular line is any line with the negative recoprocal of the slope, any linear function whose slope is -1 will be it's own inverse. - stefanie math 7-12 teacher

The slope is 5 over 2, if they're paralell they have the same slope

If they are perpendicular, the product of their slopes should be -1 -1*X = -1 X = 1 The other line has slope 1

4

-10 over 4 i think...

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.

Slope is easy. Just remember rise over run or change in y over change in x.Pick two points on the line: (x1, y1) and (x2, y2)The slope of the line is (y2-y1)/(x2-x1)How to find the slope if you are given two points:The equation for the slope of a line is (y2-y1)/(x2-x1). For example, if you have the points (4,8) and (7,6), the slope is (6-8)/(7-4), which is (-2)/3, which is -2/3. You can switch the x's and y's in the equation and get the same result, so you can rewrite the equation as (y1-y2)/(x1-x2). Using the points (4,8) and (7,6), the slope is (8-6)/(4-7), which is (2)/(-3), which is also -2/3.If you end up with 0 on the bottom (such as 4/0), the slope is undefined (since the line goes straight up and down.)How to find slope if you are given the equation of a line in slope-intercept form:See the related question below, "How_do_you_find_the_slope_of_an_equation".How to find slope if you are given the equation of a line in point-slope form:See the related question below, "How_do_you_find_the_slope_of_an_equation".How to find the slope if you are given the equation of a line in standard form:See the related question below, "How_do_you_find_the_slope_of_an_equation".How to find slope if you are given the graph of a line:See the related question below, "How_do_you_find_slope_on_a_graph".How to find the slope of a parallel or perpendicular line:The slope of a line parallel to a line with at given slope is the same as the line with the given slope. For example, the slope of a line parallel to a line with a slope of 3/2 is 3/2, and the slope of a line parallel to a line with a slope of -5 is -5.The slope of a line perpendicular to a line with a given slope is the negative reciprocal of the slope if the given line. Flip the bottom and top of the fraction, and then change the sign. For example, the slope of a line perpendicular to a line with a slope of 5/4 is -4/5. The slope of a line perpendicular to a line with a slope of 5 is -1/5. The slope of a line perpendicular to a line with a slope of -3/2 is 2/3.

-3 over 2

The slope is rise over run. If another line was parallel, the slope would be the same.

slope of line is the ration of the rise over the run

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