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Mathematics 1988 JAMB Past Questions

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6

If (g(y)) = \(\frac{y - 3}{11}\) + \(\frac{11}{y^2 - 9}\). what is g(y + 3)?

  • A. \(\frac{y}{11} + \frac{11}{y(y + 6)}\)
  • B. \(\frac{y}{11} + \frac{11}{y(y + 3)}\)
  • C. \(\frac{y + 30}{11} + \frac{11}{y(y + 3)}\)
  • D. \(\frac{y + 3}{11} + \frac{11}{y(y - 6)}\)
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7

Factorize completely \((x^2 + x)^2 - (2x + 2)^2\)

  • A. (x + 1)(x + 2)(x - 2)
  • B. (x + 1) 2(x + 2) (x - 2)
  • C. (x + 1)2 (x + 2)2
  • D. (x + 1)2 (x + 2)(x - 2)
View Answer & Discuss JAMB 1988
8
Simplify \(\frac{x - y}{x^{\frac{1}{3}} - x^{\frac{1}{3}}}\)
  • A. x2 + xy + y2
  • B. x\(\frac{2}{3}\) + x \(\frac{1}{3}\) + y\(\frac{2}{3}\)
  • C. x\(\frac{2}{3}\) - x\(\frac{1}{3}\)y\(\frac{2}{3}\)
  • D. y\(\frac{2}{3}\)
View Answer & Discuss (1) JAMB 1988
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
9

What is the solution of the equation x2 - x - 1 + 0?

  • A. x = 1.6 and x = -0.6
  • B. x = -1.6 and x = 0.6
  • C. x = 1.6 and x = 0.6
  • D. x = -1.6 and x = -0.6
View Answer & Discuss JAMB 1988
10
For what values of x is the curve y = \(\frac{x^2 + 3}{x + 4}\) decreasing?
  • A. -3 < x \(\leq\) 0
  • B. -3 \(\geq\) x < 0
  • C. 0 < x < 3
  • D. 0 \(\leq\) x \(\leq\) 3
View Answer & Discuss (3) JAMB 1988
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208