Three teachers handed out math and science textbooks for their classes two teachers had 21 students each and the last teacher ha
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
The equation for slope is:
We can substitute the given coordinates into the equation:
The slope is -3
The equation for a line is:
m: slope
b: y-intercept
x, y: (x, y) coordinate pair
Now, plug in the slope and one of the (x, y) coordinate pairs to solve for the y-intercept.
Therefore the equation is: