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katovenus [111]
3 years ago
14

Determine which line the point (1, -2) lies on. y = x + 5 y = 2x + 1 y = 2x - 4 y = x -2

Mathematics
1 answer:
frutty [35]3 years ago
7 0

Answer:

y = 2x - 4

Step-by-step explanation:

Given point (1, -2) so x = 1, y = -2

Just plug in and verify

<u>y = x + 5 </u>

  • y = 1 + 5 = 6 ≠ -2 , no

<u>y = 2x + 1 </u>

  • y = 2*1 + 1 = 3≠ -2 , no

<u>y = 2x - 4 </u>

  • y = 2*1 - 4 = -2, yes

<u>y = x -2</u>

  • y = 1 - 2 = -1 ≠ -2 , no
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