Basic Math (M32102)

Find the value of:

• 50

• 53

• 54

• 58

Which of the following represents the sum of the sequence

6, 12, 20, 30 ?

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Which choice represents 3 + 6 + 9 + 12 + ...

for 28 terms ?

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Which choice represents:

• 3 - 6 + 12 - 24 + 48

• 3 - 6 + 9 - 12 + 15

• -3 + 6 - 12 + 24 - 48

• -3 + 6 - 9 + 12 - 15

Evaluate:

• 15

• 24

• 39

• 47

What is the common difference in the arithmetic sequence: -4x, -x, 2x, 5x, 8x, ... ?

• -3x

• -3

• 3x

• 3

Given the sequence: m, (m + n), (m + 2n), (m + 3n), ...

Which expression can be used to determine the common difference of this sequence?

• $\frac{m}{m+n}$

• $\frac{m+2n}{m+n}$

• $\left(m+2n\right)-\left(m+n\right)$

• $m-\left(m+n\right)$

An arithmetic sequence has a first term of 8 and a sixth term of 38. What is the 50^th term of this sequence?

• 253

• 258

• 302

• 308

Which sequence has a common difference of 5?

• {k, 5k, 25k, 125k, ... }

• {k + 1, k + 6, k + 11, k + 16, ... }

• {0, 5k, 10k, 15k, ... }

• {k + 5, k + 25, k + 125, k + 625, ... }

Which function defines the sequence

-6, -10, -14, -18, ..., where f (1) = -6 ?

• f (n) = n - 26

• f (n) = -n + 32

• f (n) = 4n - 2

• f (n) = -4n - 2