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3 January, 16:05

How many solutions does this system have?

2x+3y=-3

3x + 5y=-9

+3
Answers (1)
  1. 3 January, 19:04
    0
    Step-by-step explanation:

    2x + 3y = - 3 3x + 5y = - 9

    3y = - 2x - 3 5y = - 3x - 9

    y = - 2/3x - 1 y = - 3/5x - 9/5

    slope = - 2/3 slope = - 3/5

    y int = - 1 y int = - 9/5

    to find the answer, u must compare the slopes and the y intercepts.

    if they have the same slope and different y int's, then there is no solution

    if they have the same slope and the same y int's, they have infinite solutions

    if they have different slopes and different y int's, they have 1 solution

    so this system has 1 solution <===
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