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.

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Substitute 5 into the first equation:

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Factor it: (y + 1)(y - 4) = 0

Therefore, the solutions are -1 and 4.

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