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enyata [817]
3 years ago
10

A line includes the points (0, 3) and (-1, -1). What is its equation in slope-intercept form?

Mathematics
1 answer:
SpyIntel [72]3 years ago
8 0
Answer: 
y = 4x+3

----------------------------------------------

Explanation:

use the slope formula first
m = (y2-y1)/(x2-x1)
m = (-1-3)/(-1-0)
m = (-4)/(-1)
m = 4
The slope is m = 4

The y intercept is b = 3 because this comes from the point (0,3)
The x value is always 0 for the y intercept. This is where the graph crosses the y axis

Since m = 4 and b = 3, we go from y = mx+b to y = 4x+3

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