Asked by Jessica
What is the funtion rule shown in the table
n 3,4,5,6
y 2,1,0,-1
n 3,4,5,6
y 2,1,0,-1
Answers
Answered by
Jai
I will let n = x.
Take two points. For instance, the first two points, (3,2) and (4,1).
Get the slope:
m = (y2 - y1) / (x2 - x1)
m = (2 - 1) / (3 - 4)
m = 1 / -1
m = -1
slope-intercept form:
y - y1 = m(x - x1)
y - 2 = -1(x - 3)
y - 2 = -x + 3
y = -x + 3 + 2
y = -x + 5
hope this helps~ `u`
Take two points. For instance, the first two points, (3,2) and (4,1).
Get the slope:
m = (y2 - y1) / (x2 - x1)
m = (2 - 1) / (3 - 4)
m = 1 / -1
m = -1
slope-intercept form:
y - y1 = m(x - x1)
y - 2 = -1(x - 3)
y - 2 = -x + 3
y = -x + 3 + 2
y = -x + 5
hope this helps~ `u`
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