DCAS Algebraic Reasoning

Question 1

If 3x + 5 = 20, what is the value of x?

Accepted Answer

5

Answer

3

Answer

7

Answer

15

Question 2

Which expression represents '7 less than 4 times a number n'?

Accepted Answer

4n - 7

Answer

7 - 4n

Answer

4 + n - 7

Answer

7n - 4

Question 3

What is the value of 3² + 4 × 2 - 6 ÷ 3?

Accepted Answer

15

Answer

17

Answer

19

Answer

21

Question 4

If f(x) = 2x - 3, what is f(4)?

Accepted Answer

5

Answer

8

Answer

11

Answer

14

Question 5

Which inequality represents 'a number x is at least 12'?

Accepted Answer

x ≥ 12

Answer

x < 12

Answer

x > 12

Answer

x ≤ 12

Question 6

What is the next term in the arithmetic sequence: 2, 5, 8, 11, ___?

Accepted Answer

14

Answer

12

Answer

13

Answer

15

Question 7

Which of the following is a variable expression?

Accepted Answer

5n + 2

Answer

4 + 7

Answer

3 × 6

Answer

100 - 45