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3 years ago

10

Write the equation of the line that passes through the points (2,−8) and (1,7). Put your answer in fully reduced point-slope for

m.

1 answer:

Alex17521 [72]3 years ago

6 0

Answer:

y = -15 + 22

Step-by-step explanation:

slope (m):

(y1 - y2)/(x1 - x2)

7 - (-8) / 1 - 2

15 / -1

m = -15

point slope formula:

y - y1 = -15(x - x1)

y - 7 = -15(x - 1)

y - 7 = -15x + 15

y = -15x + 22

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The product of two rational numbers is (-28/81). If one of them is (-2/3), the find the other.

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Answer:

The other rational number is $\dfrac{14}{27}$ .

Step-by-step explanation:

First rational number is $\dfrac{-2}{3}$

Let other rational number is $\dfrac{x}{y}$

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According to question,

$\dfrac{x}{y}\times \dfrac{-2}{3}=\dfrac{-28}{81}$

Multiplying both sides by (-3/2) such that,

$\dfrac{x}{y}\times \dfrac{-2}{3}\times \dfrac{-3}{2}=\dfrac{-28}{81}\times \dfrac{-3}{2}\\\\\dfrac{x}{y}=\dfrac{14}{27}$

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