akon
what is the slope of the line passing through the points (2,7) and (-1,3)? a.1/7 b.3/4 c.4/3 d.1/3
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AmTran_Bus
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Use the point slope formula, y-y1=m(x-x1)
The M is your slope. You will have to use y2-y1/x2-x1 to get slope and plug it in for M.
AmTran_Bus
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Oh, I see it just wants slope. Just use the last equation I gave :)
AmTran_Bus
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Find your y2 value (which is 3) and subtract it from your Y1 value (which is 7)
Divide that by your x2 value - X1 value. I will let you find x2 and x1.
ericdl
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slope = (y2 - y1) / (x2 - x1)
slope = (3-7) / (-1-2)
slope = -4 / -3
slope = 4/3 FINAL ANSWER
akon
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thanks
akon
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what is this one
ericdl
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(-7,-3) (1,-4)
Slope = y2-y1/x2-x1
Slope = (-4+3)/(1+7)
Slope = -1/8 FINAL ANSWER
akon
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what is this one
akon
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what is this one b
ericdl
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(0,1) (4,-2)
slope = y2-y1/x2-x1
slope = -2-1/4-0
slope = -3/4 final answer
ericdl
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(0,-1) (4,-4)
slope = -4+1 / 4-0
slope = -3/4 final answer
akon
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which graph is it