PRC-2 · Chapter 1 · Question 26 of 45
What are the specific roots of the quadratic equation x^2 - 11x + 30 = 0?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) 5 and 6
Explanation
To factor the equation, find two numbers that multiply to 30 and add to -11. These are -5 and -6. The factored form is (x - 5)(x - 6) = 0, meaning the roots are x = 5 and x = 6.
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