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omeli [17]
3 years ago
5

This table gives a few (x,y) pairs of a line in the coordinate plane

Mathematics
1 answer:
umka21 [38]3 years ago
4 0

Answer:

-41

Step-by-step explanation:

Use 2 points to find the equation of the line using the 2-point form of the equation of a line. Then we write the equation in the slope-intercept form to find the y-intercept.

y - y_1 = \dfrac{y_2 - y_1}{x_2 - x_1}(x - x_1)

We can use points (-36, -117) and (-27, -98), so

x1 = -36

x2 = -27

y1 = -117

y2 = -98

y - (-117) = \dfrac{-98 - (-117)}{-27 - (-36)}(x - (-36))

y + 117 = \dfrac{19}{9}(x + 36)

y + 117 = \dfrac{19}{9}x + 76

y = \dfrac{19}{9}x - 41

The y-intercept is -41.

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