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erma4kov [3.2K]
3 years ago
15

Math quiz with angles again

Mathematics
1 answer:
ss7ja [257]3 years ago
6 0
Hey buddy
Angle x = 50 digree
Hope it helps :)
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1. Not possible. The slope of such a line is undefined. Its equation is x=7.

2. y = 3x -2

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1. The y-axis is a vertical line. Computing the slope of such a line involves division by zero, an operation that is undefined. Since the line is parallel to the y-axis, there is no y-intercept.

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If your point is supposed to be (7, 8)*, the more useful equation is the "standard form" equation:

... x = 7

2. The slope of the perpendicular line is the negative reciprocal of this:

... m = -1/(-1/3) = 3

In point-slope form, the equation of the perpendicular line through the given point is ...

... y = 3(x -2) +4

... y = 3x -2 . . . . . . . . simplified to slope-intercept form

3. The slope is computed from ...

... m = (change in y)/(change in x) = (-3 -4)/(-1 -(-1)) = -7/0 = undefined

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... x = -1

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* If your point is really (77, 88), then the line has equation x = 77.

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