SOLUTION: I have no idea how to help my grandson. The directions state to find the pattern in each set of numbers. Make a table, write an equation, and find the slope. 4, 2, 0, -2, -4

Question 681385: I have no idea how to help my grandson. The directions state to find the pattern in each set of numbers. Make a table, write an equation, and find the slope.
4, 2, 0, -2, -4
X Y
1
2
3
4
Equation:
Y=
Slope= Rise=_____
Run

Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
The pattern is the subtraction by 2
4-2 = 2 - 2 = 0 - 2 = -2 - 2 = -4
or as an equation

...
Plug in the given x values and solve the equation for y
x-2 = y
-------- | (x,y)
1-2 = -1 (1, -1)
2-2 = 0 (2, 0)
3-2 = 1 (3, 1)
4-2 = 2 (4, 2)
...
Table with values from above
x | y
1 | -1
2 | 0
3 | 1
4 | 2
...
slope: take any two points and apply the slope formula:
Using (1,-1) and (2,0)

...
rise is -1, run is -1
..............................
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