What is the equation of this graphed line?
1 answer:
Answer:
Step-by-step explanation:
The slope is found by doing the equation . When looking at the first two points, it's shown that the rise (difference between the two y values) is -9 (since it decreased by 9) and the run (difference between the two x values) is 8 (since it increased by 8). This makes the slope equal
.
The y intercept is found by looking at the y value when x = 0. In this picture, it is clear that it is 7.
The equation you want to use is y = mx + b , where b is the y intercept and m is the slope. Just plug in the numbers and you got your equation!
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Given:
and
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To find:
The measure of .
Solution:
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Therefore, the measure of is 58°.