Introduction to Algebra

5x = 9

The variable and the coefficient in the equation above are

• A) 5 is the variable and 9 is the coeeficient

• B) 5 is he variable and x is the coefficient

• C) x is the coefficient and 9 is the variable

• D) x is the variable and 5 is the coefficient

A symbol (letter) that represents an unknown value is called a -

• constant

• expression

• variable

• term

a number without a variable is called a -

• coefficient

• constant

• term

• expression

A number that multiplies a variable is called a -

• coefficient

• constant

• term

• variable

4x + 3 = 11

3 and 11 are _____

• constants

• variables

• coefficients

• operators

8x - 4 = 12

8 is a(n) _______

• constant

• variable

• coefficient

• term

In 6x − 3y = 18,

y is a ___.

• coefficient

• constant

• term

• variable

Solve,

2x = 9

x = ?

Answer explanation

What is the inverse operation of Multiplication?

• addition

• subtraction

• multiplication

• division

What is the inverse operation of addition?

• addition

• subtraction

• multiplication

• division