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anonymous

  • one year ago

What is the slope of the line passing through the points (–1, 3) and (4, –7)? a. 2 b. 3/4 c. - 4/3 d. -2

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  1. jim_thompson5910
    • one year ago
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    slope formula \[\Large m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}\]

  2. anonymous
    • one year ago
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    (-1, 3) and (4, 7) x1, y1 x2, y2 M= y2 - y1 ----------- x2 - x1 = 7-(3) - ------- 4 - (1) = 4/5

  3. anonymous
    • one year ago
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    i am confused here

  4. anonymous
    • one year ago
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    at this part i mean

  5. jim_thompson5910
    • one year ago
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    In english: Step 1) subtract the y coordinates Step 2) subtract the x coordinates (same order as you did y) step 3) divide the y difference (from step 1) over the x difference (in step 2)

  6. jim_thompson5910
    • one year ago
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    you should have 4 - (-1) in the bottom

  7. anonymous
    • one year ago
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    yeah i do i forgot the negative here one sec

  8. anonymous
    • one year ago
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    and 4 - (-1) = 5

  9. jim_thompson5910
    • one year ago
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    ok where are you stuck?

  10. anonymous
    • one year ago
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    which is 4/5

  11. anonymous
    • one year ago
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    the fact that i can not simplifiy the 4/5 any lower and it is not n answer choice

  12. jim_thompson5910
    • one year ago
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    what are your choices?

  13. jim_thompson5910
    • one year ago
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    oh wait

  14. anonymous
    • one year ago
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    the ones up top

  15. jim_thompson5910
    • one year ago
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    you did 7-3 in the top when it should be -7-3

  16. anonymous
    • one year ago
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    OMG

  17. jim_thompson5910
    • one year ago
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    when you wrote `(-1, 3) and (4, 7)` you wrote the second point incorrectly so that may be why

  18. anonymous
    • one year ago
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    let me re work

  19. anonymous
    • one year ago
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    -7 - (3) ---------- 4 - (-1) = -10 ------ 5

  20. jim_thompson5910
    • one year ago
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    looks much better

  21. anonymous
    • one year ago
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    which is -2

  22. jim_thompson5910
    • one year ago
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    correct

  23. anonymous
    • one year ago
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    haha thank you for chatching that here is a medal

  24. jim_thompson5910
    • one year ago
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    you're welcome

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