Polynomials - Jamb Mathematics Past Questions and Answers

Question 226:

• JAMB 2007

Make L the subjects of the formula if \(\sqrt{\frac{42w}{5l}}\)

A. \(\sqrt{\frac{42w}{5d}}\)
B. \(\frac{42W}{5d^2}\)
C. \(\frac{42}{5dW}\)
D. \(\frac{1}{d}\sqrt{\frac{42w}{5}}\)

Question 227:

• JAMB 2007

Factorize 2t² + t - 15

A. (2t - 3)(t + 5)
B. (t + 3)(2t - 5)
C. (t + 3)(t - 5)
D. (2t + 3)(t - 5)

Question 228:

• JAMB 2007

Find the value of x for which 2(3^2x-1) = 162

A. ⁵/₂
B. ³/₂
C. ²/₅
D. ¹/₂

Question 229:

• JAMB 2008

Make Q the subject of formula when \(L=\frac{4}{3}M\sqrt{PQ}\)

A. \(\frac{9L^2}{16M^2}P\)
B. \(\frac{3L}{4M\sqrt{P}}\)
C. \(\frac{\sqrt{3L}}{4MP}\)
D. \(\frac{3L^2}{16M^2}P\)

Question 230:

• JAMB 2008

If 2x² - kx - 12 is divisible by x-4, Find the value of k.

A. 4
B. 5
C. 6
D. 7