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Patrick_Wright

  • 3 years ago

what is the slope intercept of the line passing thourgh(-5,-2) and to the line y=1/2x-2

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  1. Trillography
    • 3 years ago
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    Slope Intercept formula: y=mx+b

  2. Patrick_Wright
    • 3 years ago
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    ik that obviously but idk to do with the points and the equation

  3. Trillography
    • 3 years ago
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    Well if you obviously knew that then you would of known that the m is 1/2 and the b is -2. Then -5 is x and -2 is why. You have to put them in Slope intercept form.

  4. Patrick_Wright
    • 3 years ago
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    ok i got 8?

  5. CalebBeavers
    • 3 years ago
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    i think your question is missing a word

  6. Patrick_Wright
    • 3 years ago
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    yea its parrel ot the line

  7. CalebBeavers
    • 3 years ago
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    Alright. you see the slope of y=1/2x-2 is 1/2, right?

  8. Patrick_Wright
    • 3 years ago
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    wait? how is it 1/2?

  9. CalebBeavers
    • 3 years ago
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    Slope intercept form y=mx+b m is the slope

  10. Patrick_Wright
    • 3 years ago
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    yes

  11. zaynahf
    • 3 years ago
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    First use Point-slope form:\[y - y _{1}= m ( x - x _{1})\] If its parallel, it has the same slope, so m will be 1/2 The points will be (-5,-2), where Y1= -2 and X1= -5 Just plug these in, and isolate the y term on the left side to get slope-intercept form.

  12. Patrick_Wright
    • 3 years ago
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    o ok lol i did then but then i solved it. i wasn't supposed to solve it?

  13. Patrick_Wright
    • 3 years ago
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    nevermind did the math wrong

  14. zaynahf
    • 3 years ago
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    Can you tell me what you get?

  15. Patrick_Wright
    • 3 years ago
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    i got -2=1/2+-2

  16. Patrick_Wright
    • 3 years ago
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    1/2x*

  17. zaynahf
    • 3 years ago
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    You need to keep the x and y in there, and twhen you plug in in, it should look like: \[y + 2 = 1/2 ( x +5)\]

  18. Patrick_Wright
    • 3 years ago
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    isn't that point slope form?

  19. zaynahf
    • 3 years ago
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    Yes, but in order to get to slope int form, you need to start here, and then change to slope int form

  20. zaynahf
    • 3 years ago
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    Can you distribute the right side out?

  21. Patrick_Wright
    • 3 years ago
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    yes 1/2x+2.5

  22. zaynahf
    • 3 years ago
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    Ok so now you have y + 2 = 1/2 x + 2.5 Now carry over the 2 to the right side

  23. Patrick_Wright
    • 3 years ago
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    y=1/2x+1/2

  24. zaynahf
    • 3 years ago
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    Thats the equation in slope int form

  25. Patrick_Wright
    • 3 years ago
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    o ok thank you that really helped for my geom. final

  26. zaynahf
    • 3 years ago
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    No problem

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