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anonymous

  • one year ago

Two lines, A and B, are represented by equations given below: Line A: y = x – 4 Line B: y = 3x + 4 Which of the following shows the solution to the system of equations and explains why? A. (–3, –5), because the point satisfies one of the equations B. (–3, –5), because the point lies between the two axes C. (–4, –8), because the point satisfies both equations D. (–4, –8), because the point does not lie on any axis

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  1. anonymous
    • one year ago
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    You want the value of y and x?

  2. anonymous
    • one year ago
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    yes

  3. anonymous
    • one year ago
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    Line A : y = x - 4 - eqn1 Line B : y = 3x + 4 - eqn2 Plug eqn 1 in eqn 2 x - 4 = 3x + 4 So far , good?

  4. anonymous
    • one year ago
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    yup

  5. anonymous
    • one year ago
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    then how do i know witch one is the answer?

  6. anonymous
    • one year ago
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    x - 4 = 3x + 4 x - 3x = 4 + 4 -2x = 8 x =8/-2 x = -4

  7. anonymous
    • one year ago
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    Plug x = -4 in either eqn 1 or eqn 2 y = x - 4 y = -4 - 4 y = -8

  8. anonymous
    • one year ago
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    because the point satisfies both equations?

  9. anonymous
    • one year ago
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    or

  10. anonymous
    • one year ago
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    because the point does not lie on any axis?

  11. Loser66
    • one year ago
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    hey, why do you need more help? you got (-4,-8) and there is ONLY one option looks like this. What is next?? PICK IT. dat sit

  12. anonymous
    • one year ago
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    but i don't know wich on it is: because the point does not lie on any axis? or because the point satisfies both equations?

  13. Vocaloid
    • one year ago
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    a solution to a system of equations is a point that satisfies both equations

  14. Loser66
    • one year ago
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    YES, LIKE wshat Vocaloid said

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