Digital PSAT Math Practice Question 193: Answer and Explanation
Question: 193
What are the values of y that satisfy these conditions?
- A. -4 and 2
- B. -1 and 4
- C. 3 and 4
- D. 6 and 10
Correct Answer: B
Explanation:
(B) It is easiest to do substitution for x into the first equation.
Substitute 5 into the first equation:
Factor it: (y + 1)(y - 4) = 0
Therefore, the solutions are -1 and 4.
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