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1 year ago

Identify the slope of the line

Mathematics

1 answer:

V125BC [204]1 year ago

5 0

The slope of the line that passes through the points, (3, 4) and (-4, -5) is: A. 9/7.

<h3>How to Determine the Slope of a Line?</h3>

The slope of a line can be calculated by using the slope formula, which is given as:

Slope (m) = change in y / change in x or rise / run.

Given that the following points lie on a line:

(3, 4)
(-4, -5)

The slope of the line would be solved using the slope formula as explained below:

Slope (m) = change in y / change in x = (-5 - 4) / (-4 - 3)

m = -9 / -7

Slope (m) = 9/7.

Therefore, the slope is identified as:

a. 9/7.

Learn more about the slope of a line on:

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yaroslaw [1]

Answer:

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Step-by-step explanation:

So remember what sin, cos, and tan are.

sin = opposite/hypotenuse

cos = adjacent/hypotenuse

tan = opposite/adjacent

Now, using what we know of sin and cos, lets find opposite and adjacent to solve for tan.

Sin=-8/17

So this must mean that opposite is -8, and the hypotenuse is 17.

Next, lets find adjacent. Cos = 15/17

So this must mean that adjacent is 15, and again, hypotenuse is 17.

Now lets take the -8 of the opposite, and 15 of the adjacent, and get tan.

Tan: -8/15. 

17 is not included in this whatsoever, since hypotenuse is not included in tan. And remember that it cannot be -15/8, since its opposite/adjacent, not adjacent/opposite.

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3 years ago

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Step-by-step explanation:

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3 years ago

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marysya [2.9K]

Answer:

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$x=6-8i$

Step-by-step explanation:

$x^2-12x+100=0$

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