Mathematics

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NECO WAEC NCE JAMB WASSCE JUPEB

MULTIPLE CHOICE QUESTIONS
1. Find the non-zero negative value of x which satisfies the equation

A. 2
B. -2
C. 2
D. − 2

2. ,
1 4 0
4 1 0
2 3 3⎥

If Z = find determinant of Z.
A. 35
B. 45
C. -35
D. 48

3. Compute 1 + #
$%&

.
A. )*
‘ − $-


B. 4 − $-


C. $0
‘ − $-


D. 4
0
0 1
1 1
1 0
=
x
x
x

4. Find the centre and radius of the circle 8×2
+8y2
-24x-40y+18=0.
A. (3/2, 5/2) and r = 3/2
B. (-3/2, 5/2) and r = 5/2
C. (3/2, -5/2) and r = 3/2
D. (3/2, 5/2) and r = 5/2

5. Find the equation of the tangent to the circle 2 2 30 2 2
x + y = at the point (−3,6).
A. x + y – 15=0
B. x – 2y + 5=0
C. x + 2y – 5=0
D. x – 2y+15=0

6. Given the equations of the ellipse x2
/2+y2
=1. Find the equation of the directrices.
A. � = (0, ±1)
B. � = (0, ±2)
C. � = (0, ±3)
D. � = (0,±4)

7. Find the gradient of the curve � = �# − 6�’ + 11� − 6 at the point (1, 0)
A. -1
B. -2
C. 1
D. 2

8. Given sets � = �, �, 1, 3 and � = �, 2, 4 , find � ∪ �.
A. ∅
B. �, �, 1,2,3,4
C. �, �, 1,3
D. �, 1,2,3,4

9. Let P be the set of prime factors of 42 and Q be the set of prime factors of 45. Find � ∩ �.
A. 2
B. 3
C. 7
D. 5

10. A polynomial 2�# + ��’ + �� − 1 has a factor (� − 1) and the remainder when it is divided
by (� − 2) is −4. Find � + �.
A. −1
B. 1
C. −2
D. 2
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