Find the equation to the line below.
1 answer:
y=ax+b
->a= positive (the line is going up)
->to find a, we move one unit horizontally and look over how many units you meet the graph (1 to right, 4 up) so the a= 4
-> to find b, we look for the y-coordinate of the point where the graph and the y-axis cross. they cross in (0,1) so b is 1
when we take this all together we get y=4x+1
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L = 2.3 + W
2W + 2L = P
2W + 2(2.3 + W) = 53
2W + 4.6 + 2W = 53
4W + 4.6 = 53
4W = 48.4
4W/4 = 48.4/4
W = 12.1
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