Free account: track your progress — Sign up free

BECE Mathematics 2022 Objective — Question 64

Question 64 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Mathematics 2022 Objective paper, with the correct answer and a full explanation.

Advertisement

Find the coefficient of x in the expansion of (2x - 3)(x + 4).

  • A. -11
  • B. -5
  • C. 5Correct
  • D. 8
  • E. 11

Explanation

(2x - 3)(x + 4) = 2x² + 8x - 3x - 12 = 2x² + 5x - 12. The coefficient of x is 5.

Advertisement

Sign up free to unlock

  • Score tracking
  • Practice history
  • Saved questions
  • Progress dashboard
  • Personalized sessions
  • Weak-topic breakdown

…and/or go further with premium services and No Ads.