QUIZ 2- GEC 004

What is the 10th term of the sequence Tn = 20-2n

• 40

• -20

• 7

• 0

Observe the following set of numbers.

45, 37, 29, 21, ...

What is the pattern of the set numbers?

• Subtract 8 from the number before it

• Subtract 9 from the number before it

• Add 8 from the number before it

• Add 9 from the number before it

Faith wrote the number pattern below.

8, 16, 32, 64, 128

Which of the following could be a rule for this pattern?

• Multiply by 2.

• Add 16.

• Thrice the previous number.

• Multiply by 4.

Find the nth term for the sequence of 20, 16, 12, 8 ...

• 4n - 24

• 4n + 24

• 20 - 4n

• 24 - 4n

Write down the general formula for the sequence:

2, 8, 14, 20, 26, ...

(Hint: Write your formula and then simplify it.)

• T_n=2+6n

• T_n=-6+6n

• T_n=6n-4

• T_n=4-6n

Find the nth term for sequence below.

2, 12, 22, 32, ....

• 10n - 8

• 10n + 8

• 8n - 10

• 8n + 10

The 50^th term of sequence

7, 15, 23, 31, 39 is …

• 392

• 399

• 407

• 448

What are the four steps of Polya's Problem Solving Method?

• Discover, Implement, Confirm, Assess

• Read, Write, Calculate, Evaluate

• Understand, Plan, Solve, Review

• Analyze, Execute, Verify, Reflect

What is the significance of 'looking for patterns' in problem-solving according to Polya's Method?

• Ignoring all patterns

• Randomly selecting solutions

• Identifying similarities and regularities to apply known strategies and techniques.

• Avoiding logical reasoning

What is the missing number in this triangular series?

1, 3, 6, 10, 15, 21, x, 36

• 27

• 28

• 30

• 26