PAT Algebraic Thinking

Question 1

Which of the following represents the rule for the pattern: 3, 6, 12, 24, ...?

Accepted Answer

Multiply by 2 each time

Answer

Add 3 each time

Answer

Add 6 each time

Answer

Multiply by 3 each time

Question 2

If n = 5, what is the value of 3n + 4?

Accepted Answer

19

Answer

12

Answer

17

Answer

22

Question 3

Which equation best describes this function table? Input: 1, 2, 3, 4 | Output: 5, 8, 11, 14

Accepted Answer

y = 3x + 2

Answer

y = 2x + 3

Answer

y = 4x + 1

Answer

y = x + 4

Question 4

Solve for x: x − 7 = 15

Accepted Answer

22

Answer

8

Answer

21

Answer

23

Question 5

A sequence starts at 100 and each term decreases by 8. What is the 6th term?

Accepted Answer

60

Answer

52

Answer

56

Answer

48

Question 6

Which expression is equivalent to 2(x + 5)?

Accepted Answer

2x + 10

Answer

2x + 5

Answer

x + 10

Answer

2x + 7

Question 7

If a bag holds 8 apples and you have b bags, which expression represents the total number of apples?

Accepted Answer

8b

Answer

b + 8

Answer

8 − b

Answer

b ÷ 8