Mikal11 Mikal11

25-12-2014
Mathematics

Answered

Type the equation that shows the pattern among this set of ordered pairs.

(0, 4), (1, 0), (2, -4), (3, -8)

Use slope-intercept form: y = mx + b

Verified Answer :

Paweł19 Paweł19

25-12-2014

Line y=mx+b has point (0,b).
If you've got poind (0,4) - you can write, that b=4.
So this is line y=mx+4
Now slope. You've got point (1,0), so for x=1, y=0. Substitute:
m * 1 + 4 = 0
m+4 = 0
m=-4
So equation of this line is: y=-4x+4

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