Maths - working out questions Flashcards
1
Q
N th term in this sequence
3, 5, 7, 9, 11
A
2n +1
2
Q
Nth term in this sequence
2, 9, 16, 23, 30
A
7n - 5
3
Q
Nth term in this sequence
4, 9, 14, 19, 25
A
5n - 1
4
Q
Make L the subject
P = 2l + 2w
A
l = p - 2w / 2
5
Q
Make T the subject
v = (UxU) - T
A
t = (UxU) - v
6
Q
Make r the subject
T = 5 ( r x r )
A
r = Square root T / 5
7
Q
Make W the subject
X = 5y - w
A
W = 5y - x
8
Q
5(4a + 3) + 2(6a + 1)
A
20a + 15 +12a + 2
simplified = 32a + 17
9
Q
5(4a + 3) - 2(6a - 1)
A
20a + 15 - 12a + 2
8a +17
10
Q
4(3x +3) - 5(x - 2)
A
12x + 12 - 5x + 10
7x + 22
