Answer: x = 10
Will give steps in comments since you need this answer FAST
Answer:
(1, 4)
Step-by-step explanation:
The summation symbol means we use the variable i in the equation from the given range. In this case, we are given with the equation 3 i - 15 and i ranges from 2 to 7. The summation using simply the calculator is equal to -9. The answer to this problem is -9.
The formula of a slope:

We have the points (-2, 2) and (-4, -2). Substitute:

<h3>Answer: the slope = 2</h3>