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26 May, 06:39

Which equation models a line with positive slope and a positive x-intercept?

a. 5x - 2y = 14

b. - 5x - 2y = 14

c. - 5x + 2y = 14

d. 5x + 2y = - 14

+2
Answers (1)
  1. 26 May, 06:50
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    Example: 5x - 2y = 14 yields 2y = 5x - 14, or y = 5x/2 - 7 (positive slope 5/2).

    Eliminate (b) and (d) immediately, since doing the same thing to these equations results in negative slopes.

    Look at (c) : 2y - 5x = 14 has a positive slope and a positive y-intercept, so is the correct choice. Check out (a) and explain why it's not correct.
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