Mathematics Quiz

Write the next three terms of the sequence -6, 2, 10, 18, ...

• 20, 22, 24

• 22, 26, 30

• 24, 30, 36

• 26, 34, 42

• 28, 38, 48

The sum of is ...

• 6 + 9 + 12 + 15

• 3 + 6 + 9 + 12

• 3 + 6 + 9 + 12 + 15

• 9 + 12 + 15

• 3 + 6 + 9

The first term of the sequence 5, 10, 15, 20, ... is ...

• 5

• 10

• 15

• 20

• 25

The sum of the first 10 terms of the arithmetic series: 11 + 16 + 21 + ... is ...

• 315

• 325

• 335

• 345

• 355

Determine the 21st term if the 5th and 9th terms of the arithmetic sequence are 35 and 43!

• 47

• 60

• 75

• 83

• 91

A worker's salary is increased by Rp 50,000.00 every month. If the worker's first salary is Rp 1,000,000.00, what is the total salary for the first year?

• Rp 12,000,000.00

• Rp 13,100,000.00

• Rp 14,700,000.00

• Rp 15,300,000.00

• Rp 16,200,000.00

Determine the 7th term of the geometric sequence 27, 9, 3, ...

115º is located in quadrant ....

• I

• II

• III

• IV

• V

Determine the sum of the infinite geometric series 2 + 1 + ...

• 1

• 2

• 3

• 4

• 5

The ratio of the sides of the triangle at cos β =