Post-UTME Mathematics 2019 Objective — Question 40
Question 40 of 50 from the Post-UTME Screening (Post-UTME) Mathematics 2019 Objective paper, with the correct answer and a full explanation.
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If √(x²+9) = x+1, solve for x
- A. 5
- B. 4Correct
- C. 3
- D. 2
Explanation
Squaring both sides: x²+9 = x²+2x+1; 8=2x; x=4.
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