What is the standard form equation of the line shown below (-3,-1) (3,2)

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2016-04-12 19:29:57

Is this a multiple choice

2016-04-12 19:31:12

(-3,-1)(3,2) slope = (2 - (-1) / (3 - (-3) = (2 + 1) / (3 + 3) = 3/6 = 1/2 y = mx + b slope(m) = 1/2 use either of ur points ..(3,2)...x = 3 and y = 2 now we sub and find b, the y int 2 = 1/2(3) + b 2 = 3/2 + b 2 - 3/2 = b 4/2 - 3/2 = b 1/2 = b ur equation is : y = 1/2x + 1/2....but we need it in standard form.. y = 1/2x + 2...subtract 1/2x from both sides -1/2x + y = 2..multiply everything by -2 x - 2y = -4 <== standard form

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