Advanced level 2025 Adamawa regional mock pure maths statistics 1
Advanced level 2025 Adamawa regional mock pure maths statistics 1
| 1. The quadratic equation ax2 + bx + c = 0 has no real roots if [A] b2 — 4ac = 0 |
[B] b2 — 4ac > 0
[C] b 2 – 4ac < 0
| [D] b2 — 4ac 0 2. The product of the roots of the equation x 2 — 5x + 6 = 0 is– [A]5 [B] 6 [C] –5 [D] –6 |
[A] 3 [B] 4 [C]i [D] –4 |
| 8. An arithmetic progression has first term |
5 and common difference 3. The nth term
is given by
[A] 5n + 2
[B] 2– 3n
[C] 3n + 2
[D] 5n– 2
can be simplified to:
[A] T~~
lB1
IC]c^c^x+15
3.
(X2–1)
9
– . Z[A^] 3670 (3r + 2) =
[B] 632
[C] 708
[D] 38
4. If Given that P, Q and R are constants,
can expressed into partial
fractions as
[A] P +–2– + R
x+ 1
[B] ~~ +
x+ 1 x– 1
Px+Q
10.The expansion of (5 — 4oc) 3 is valid when
[A]– j< x <|
[B]–1 < x <1
[C]–|< x <|
[D] 0 < x < 4
X–1
[C]
x-1 x+ 1
Px+Q
[D] +–5
X+1 x–1
X+1
11.In the expansion of (2 + ax‘)6 the
coefficient of x is 64. The value of a is
5. Given that
[A] 2 < x < 4
[B] 0 < x < 1
[C] * <1
[D] x > 1
< 1, then
x-2
.
[A] 0
[B]–
5
[C] 3
[D] i
6. The range of values of y for which
2 — 3y < 11 and y < 0 is
12.A mixed delegation of 3 people is to be
chosen randomly from a group of 4 men and
