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Sidana [21]
3 years ago
5

What is the slope of a line perpendicular to y = -7/4x?

Mathematics
1 answer:
dexar [7]3 years ago
6 0
A line is perpendiculat to another which has a slope of m if the perpendicular line has a slope of -1/m.
That means that if the product of slopes of two lines is -1, the two lines are perpendicular.

Here, y1=-7/4x, or m=-7/4
The perpendicular should have a slope of -1/m=-1/(-7/4)=4/7
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Find the reference angle given: t= -5π/3.
Elina [12.6K]

Answer:

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Step-by-step explanation:

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The reference angle is the acute angle, that a given angle  makes with the x-axis.

First let us make a sketch of the given angle. <em>See diagram in attachment.</em>

Let \theta be the reference angle of  t=-\frac{5\pi}{3}


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We can therefore write the following equation and solve for \theta.


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We group like terms to get,

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