Show that the two ordered pairs are solutions to the given equation. Then use the graph of the two points to determine another solution. Answers may vary.2x + y = 8; (2, 4), (6, -4)
What will be an ideal response?
Show that (2, 4) is a solution:
| 2x + y | = 8 |
| 2(2) + 4 | =? 8 |
| 4 + 4 | =? 8 |
| 8? | =? 8 | TRUE |
| 2x + y | = 8 |
| 2(6) + (-4) | =? 8 |
| 12 + (-4) | =? 8 |
| 8? | =? 8 | TRUE |
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