Question

What is the slope of the linear equation that has the values shown in the table? Show your work.

X
-4
-2
0
2
4
y
15
9
3
-3
-9

Answer 1

Answer: -3

Explanation:

The slope can be calculated by the equation

`(y_(2)-y_(1) )/(x_(2)-x_(1) )`

So choosing any two points, we can find the slope.

I'll chose (0,3) and (2,-3).

-3 - 3 = -6

2 - 0 = 2

So, the slope is -6/2 which simplifies to -3.