8 p8 ÷ 4 p4 =
2p
2 p4
4 p2
4 p4
A is directly proportional to r2 where r = 3 , A = 36, find the value of A when r = 10.
400
350
300
200
Find the value of 4-1 × 40 × 43.
16
8
4
0
Simplify a3(c2 + d2) - a3(2c2 + 3d2).
-(a3c2 - 2a3d2)
-(a3c2 + 2a3d2)
a3c2 + 2a3d2
None of these
If g = 3 calculate the value of 5g4.
317
375
395
405
Simplify 4(y + 3) - 3(2y - 1).
- 2y + 15
2y + 15
2y - 15
- 2y - 15
Change the subject of the formula y = 3x + 8 to x.
x = y - 8
x = 1/3 y - 8/3
x = 3y - 8
x = 1/3 y + 8/3
Solve 11n + 1 = 1.
12
10
-2/11
93/4 ÷ 91/4 =
1
3
9
(32)0 =
320
