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Nat2105 [25]
2 years ago
15

A line passes through the point (-2, 9) and has a slope of -3. Write an equation using the point-slope form for this. No Links.

Thank you
Mathematics
2 answers:
katrin [286]2 years ago
7 0

Answer:

(y-9)=-3(x+2)

Step-by-step explanation:

yeah-ya..... right?

jok3333 [9.3K]2 years ago
7 0

Answer:

y - 9 = -3(x + 2)

Step-by-step explanation:

Point-slope formula is named for the information that you can pick right out of the equation, that is a point on the line and the slope. It is:

y - y = m (x - x)

The m is the slope. They gave you that the slope is -3 so fill in -3 in place of the m.

The point you were given was (-2,9) the -2 is the x and the 9 is the y.

In the formula fill in the second y with 9 and fill in the second x with the -2.

Keep the first y and the first x (that's right inside the parenthesis) those stay as variables in your point-slope formula

It's literally a fill-in-the-blank problem.

y - 9 = -3(x + 2)

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Answer:

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Step-by-step explanation:

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3 years ago
Please solve this question.
andre [41]
  • <em>Answer:</em>

<em>x = - 2</em>

<em>y = 5</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>2x + 9 = y</em>

<em>y = - 4x - 3</em>

<em> </em>

<em>equality</em>

<em>2x + 9 = - 4x - 3</em>

<em>2x + 4x = - 9 - 3</em>

<em>6x = - 12</em>

<em>x = - 12 : 6</em>

<em>x = - 2</em>

<em>replace x = - 2</em>

<em>2(-2) + 9 = y</em>

<em>- 4 + 9 = y</em>

<em>y = 5</em>

<em>Good luck !</em>

<em />

<em />

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