MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
If 3 is a root of the quadratic equation x² - px + 3 = 0 then p is equal to :
Topic: Quadratic equations
Previous-year question practice database
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(a) p = 4
Explanation
Substitute root x=3: 9−3p+3=0 ⇒ p=4.
In words
p = 4
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