Mathematics Past Questions For WAEC, NECO, JAMB, BECE & NCEE - Mathematics

Mathematics Questions

Question 831:

Solve for (x, y) in the equation 2x + y = 4: x^2 + xy = -12

A (6, -8): (-2, 8)
B (3, -4): (-1, 4)
C (8, -4): (-1, 4)
D (-8, 6): (8, -2)
E (-4, 3): (4, -1)

Question 832:

Solve the following equation \(\frac{2}{2r - 1}\) - \(\frac{5}{3}\) = \(\frac{1}{r + 2}\)

A (\(\frac{5}{2}\), 1)
B (5, -4)
C (2, 1)
D (1, \(\frac{-5}{2}\))
E (\(\frac{-5}{2}\), 1)

Question 833:

Solve the simultaneous equations 2x - 3y + 10 = 10x - 6y = 5

A X = 2\(\frac{1}{2}\), y = 3\(\frac{1}{2}\)
B X = \(\frac{1}{2}\), y = \(\frac{3}{2}\)
C X = 2\(\frac{1}{4}\), y = 3\(\frac{1}{2}\)
D X = 2\(\frac{1}{3}\), y = 3\(\frac{1}{2}\)
E X = 2\(\frac{1}{3}\), y = 2\(\frac{1}{2}\)

Question 834:

If f(x - 2) = 4x² + x + 7, find f(1)

Question 835:

In \(\bigtriangleup\) XYZ, XY = 13cm, YZ = 9cm, XZ = 11cm and XYZ = \(\theta\). Find cos\(\theta\)^o