Expressions vs Equations

What is the difference between an equation and a expression ?

• An expression can be solved

• An equation has a variable and an expression doe not.

• An expression does not have an equal sign and a equation does

What statement(s) are true about expressions. Click on all that apply

• Expressions can be simplified

• Expressions can be solved

• Expressions can have letters, numbers, and operators

• 7X+5+3X-2 is an example of an expression

A ________ is an unknown number.

Select all the examples of an expression

• 213- 45

• 26b-3+6b=27

• 7(3)+3( b- 3)

• 2x+3

• All of the above

Select all the examples of an equation

• a+3 = 2(a+9)

• 2.5a+1.7- .5

• 20-6b=30

• 2x+4=6

• All of the above

Who is/are the coefficient in the following expression?

5x - 8y + 3

• 5

• 8

• 5 and 8

• 3

What does an algebraic equation have that a numerical equation doesn't have?

• variables

• equal sign

• terms

• fractions