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o-na [289]
3 years ago
8

Find the equation of the linear function represented by the table below in slope-intercept form. x y -1 3 1 1 3 -1 5 -3

Mathematics
1 answer:
Darya [45]3 years ago
6 0

Answer:

  • y = - x + 2

Step-by-step explanation:

<u>Points given:</u>

  • (-1, 3), (1, 1), (3, -1), (5, -3)

<u>Slope-intercept form:</u>

  • y = mx + b

<u>Finding the slope using slope formula and the first two points:</u>

  • m = (1 - 3)/(1 - (-1)) = -2 / 2 = -1

<u>Finding y-intercept using the slope and the first point:</u>

  • 3 = (-1)*(-1) + b
  • 3 = 1 + b
  • b = 3 - 1
  • b = 2

<u>So the equation is:</u>

  • y = - x + 2
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