93/4 ÷ 91/4 =
1
0
3
9
Simplify 3p + 7q - 2p - 5q.
p + 2q
p + q
2p + q
2p + 2q
If x = 2, y = - 3 and z = 4, find the value of 3x + y + z.
2
4
7
77 ÷ 7 =
78
76
77
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
Simplify 4(y + 3) - 3(2y - 1).
- 2y + 15
2y + 15
2y - 15
- 2y - 15
Write 10000 as powers of 10.
103
4 × 101
104
105
Find the value of x + 1/x if x = 2.
5
5/2
3/2
(3p4)2 =
3p8
9p6
9p8
9p4
(32)0 =
320
