Flashcards in Maths - working out questions Deck (10)

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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