Polynomials - Jamb Mathematics Past Questions and Answers

Question 201:

• JAMB 2000

if (x - 1), (x + 1) and (x - 2) are factors of the polynomial ax³ + bx² + cx - 1, find a, b, c in that order.

A. -1/2, 1., 1/2
B. 1/2, 1, 1/2
C. 1/2, 1, -1/2
D. 1/2, -1, 1/2

Question 202:

• JAMB 2000

If α and β are the roots of the equation 3x\(^2\) + 5x - 2 = 0, find the value of 1/α + 1/β

A. -5/3
B. -2/3
C. 1/2
D. 5/2

Question 203:

• JAMB 2001

Divide: \(a^{3x} - 26a^{2x} + 156a^{x} - 216\) by \(a^{2x} - 24a^{x} + 108\).

A. A^x - 2
B. A^x + 2
C. A^x - 8
D. A^x - 6

Question 204:

• JAMB 2001

If two graphs y = px\(^2\) + q and y = 2x\(^2\) -1 intersect at x = 2, find the value of p in terms q.

A. \(\frac{q-8}{7}\)
B. \(\frac{7-q}{4}\)
C. \(\frac{8-q}{2}\)
D. \(\frac{7+q}{8}\)

Question 205:

• JAMB 2001

Solve the equations
m² + n² = 29
m + n = 7

A. (2, 3) and ( 3, 5)
B. (2, 5) and (5, 2)
C. (5, 2) and ( 5, 3)
D. (5, 3) and (3, 5)