AlgebraEasySolution of two coordinate equations
Algebra practice question
Which of the following points is the solution of the system x = 1 and y = −2?
- A. (1, −2)Correct
- B. (−2, 1)
- C. (1, 2)
- D. (−1, 2)
Answer: A. (1, −2)
The solution has x = 1 and y = −2.
Why the other answers are wrong
- B. (−2, 1)
- The coordinates are swapped.
- C. (1, 2)
- The sign of y is wrong.
- D. (−1, 2)
- Both signs are wrong.
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