Algebraic Expressions

Question 1

The next two terms in the sequence 1, 6, 12, 18, 24, ... are

Accepted Answer

30, 36

Question 2

Evaluate 2x + 3 when x = 5

Accepted Answer

13

Question 3

Which of the following expressions can represent "10 divided by a number"?

Accepted Answer

10/x

Question 4

If one present costs CLP 12,000 ¿How much will you have to pay for 5 presents?

Accepted Answer

CLP 60,000

Question 5

Which ratio represents "For every 2 eggs you must use 1 cup of flour"?

Accepted Answer

2:1

Question 6

The algebraic expression for "one half of a number x" is

Accepted Answer

x/2

Question 7

The first four terms in the sequence defined by the algebraic expression 3n + 2 are

Accepted Answer

2, 5, 8, 12

Question 8

If there are 2 boys for every 3 girls and in total there are 25 students, how many are girls?

Accepted Answer

10

Question 9

Which of the verbal expressions can be represented by the algebraic expression 3x?

Accepted Answer

Three times a number

Question 10

Which algebraic expression represents what is left after you subtract x from 20?

Accepted Answer

20 - x

Questions 10