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zysi [14]
3 years ago
5

Find the slope and y-intercept of each equation. Y=-5x+8

Mathematics
2 answers:
Natali [406]3 years ago
8 0

Answer:

Slope= -5

y-intercept=8

Step-by-step explanation:

In the formula y=mx+b

The m is the slope and the b is the y-intercept.

Sladkaya [172]3 years ago
8 0

Answer:

The y intercept is already given. It's (0, 8). As the slope is -5x which is decreasing by five.

Step-by-step explanation:

What exactly did you needed help with?

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Find the equation of a circle that has a diameter with the endpoints given by the points A(-4,9) and B (- 2, - 3) )
Aleksandr-060686 [28]

The equation of the circle is (x+3)^{2}+(y-3)^{2}=37

Explanation:

Given that the endpoints of the circle are A(-4,9) and B(-2,-3)

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<u>Center:</u>

The center of the circle can be determined using the midpoint formula,

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<u>Radius:</u>

The radius of the circle can be determined using the distance formula,

r=\sqrt{\left(x_{2}-x_{1}\right)^{2}+\left(y_{2}-y_{1}\right)^{2}}

Substituting the center (-3,3) and the endpoint (-4,9), we get,

r=\sqrt{\left(-4+3\right)^{2}+\left(9-3\right)^{2}}

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The standard form of the equation of the circle is given by

(x-a)^{2}+(y-b)^{2}=r^{2}

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3 years ago
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