Define a variable in an algebraic expression and equation.

Define a variable in an algebraic expression and equation.

Review

Multiple Select

What do you call to a letter or symbol that represents the unknown number in an expression or equation?

• a. Variable

• b. Link

• c. Algebraic expression

• d. Exponent

Multiple Select

In the expression 12a + 5= 29, the variable is _____________.

• 12

• a

• 5

• 29

Multiple Select

What is the possible translation for this expression: twice a number decreased by eight?

• a. 2 x 8

• b. (2 + a) – 8

• c. 2a-8

• d. a + 2/8

Multiple Choice

Bong has 8 bananas, and he divides all of them to his siblings. Each of his siblings has 2 bananas. What will be the mathematical equation in this situation?

• a. 8 ÷ x = 2

• b. 8÷2= n

• c. 8z÷2

• d. 8 + a= 2

Multiple Select

What is/are the variable/s in this equation (2x + 6) – 3= y ?

• x

• y

• ( )

• x,y