16Hit1600
Advanced MathEasy–MediumProduct of the two square roots

Advanced Math practice question

The equation x² − 25 = 0 has two solutions. What is the product of the two solutions?

Answer: -25 or −25

The solutions are 5 and −5. Their product is −25.

Common wrong answers

If you answered 0
0 is the SUM of the solutions (5 + (−5)).
If you answered 25
25 is 5 × 5, forgetting that one solution is negative.
If you answered -5
−5 is one of the solutions, not the product.

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