Write a linear equation for a line that passes through (0, 0) and m = -2.
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Answer:
y =
Step-by-step explanation:
We are given the point (3, 10).
The second point is 2 on the x-axis and -7 on the y-axis. So our second point is: (3 + 2, 10 - 7) which is (5, 3).
Our formula for slope is m = =
So, our equation would be =
Using the standard formula of a line, y = mx + b, we can substitute for the slope, m.
y = + b
Now, we can substitute a point on the line to determine the y-intercept:
Using the point (3, 10),
10 = + b
b = 10 +
b =
So our full equation is: y =