Polynomials - Jamb Mathematics Past Questions and Answers

Question 86:

• JAMB 1982

If K is a constant, which of the following equations best describes the parabola?

A. Y = kx²
B. X = y² - k
C. Y = k - x²
D. X² = y² - k
E. Y = (k - x)²

Question 87:

• JAMB 1983

Solve the following equations 4x - 3 = 3x + y = x - y = 3, 3x + y = 2y + 5x - 12

A. X = 5, y = 2
B. X = 2, y = 5
C. X = 5, y = -2
D. X = -2, y = -5
E. X = -5, y = -2

Question 88:

• JAMB 1983

If (x + 2) and (x - 1) are factors of the expression \(Lx^{3} + 2kx^{2} + 24\), find the values of L and k.

A. 1 = -6, k = -9
B. 1 = -2, k = 1
C. K = -1, 1 = -2
D. 1 = 0, k = 1
E. K = 0,1 = 6

Question 89:

• JAMB 1983

Make T the subject of the equation \(\frac{av}{1 - v}\) = \(\sqrt{\frac{2v + T}{a + 2T}}\)

A. T = \(\frac{3av}{1 - v}\)
B. T = \(\frac{1 + v}{2a^2v^3}\)
C. T = \(\frac{2v(1 - v)^3 - a^4v^3}{2a^3v^3 + (1 - v)^2}\)
D. \(\frac{2v(1 - v)^3 - a^4 v^3}{2a^3v^ 3 - (1 - v)^3}\)

Question 90:

• JAMB 1983

Solve the simultaneous equations for x in x² + y - 8 = 0, y + 5x - 2 = 0

A. -28, 7
B. 6, -28
C. 6, -1
D. -1, 7
E. 3, 2