an equation that shows the pattern among this set of ordered pairs (2,5), (4,9), (5,11), (7,15) use slope-intercept form y = mx + b
ΔX X Y ΔY
2 [2 5] 4
1 [5 11] 2
2 [7 15] 4
ΔY /ΔX is given , the difference between coordinates of every 2 consecutive point is given
in each case equal 4/2 = 2/1=2
So these points are located on a line, with slope =2.
Y = 2x +b
can place coordinate of any one of the points and find out the equation:
5 = 2(2) + b
Y = 2X + 1
Hope it helps and choose me best
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