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Wittaler [7]
2 years ago
7

Write the point slope form of an equation of the line through the points (-7,7) and (4,1)

Mathematics
2 answers:
Andre45 [30]2 years ago
8 0
  • (-7,7)
  • (4,1)

Slope:-

  • m=1-7/4+7
  • m=-6/11

Equation in point slope form

  • y-7=-6/11(x+7)

Option A

jolli1 [7]2 years ago
3 0

Answer:

\textsf{A)} \quad y-7=-\dfrac{6}{11}(x+7)

Step-by-step explanation:

<u>Step 1:  Find the slope</u>

Define the points:

\textsf{let}\:(x_1,y_1)=(-7,7)

\textsf{let}\:(x_2,y_2)=(4,1)

Use the <u>slope formula</u> to find the slope:

\textsf{slope}\:(m)=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{1-7}{4-(-7)}=-\dfrac{6}{11}

<u>Step 2:  Find the equation</u>

Use the found slope from step 1 together with one of the given points in the <u>point-slope form of a linear equation</u>:

\implies y-y_1=m(x-x_1)

\implies y-7=-\dfrac{6}{11}(x-(-7))

\implies y-7=-\dfrac{6}{11}(x+7)

<u>Conclusion</u>

Therefore, the equation of the line that passes through the points (-7, 7) and (4, 1) is:

y-7=-\dfrac{6}{11}(x+7)

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