Equations and Variables

The value for the variable that makes an equation true is called __________

• number

• answer

• solution

• letter

Which definition best fits an "open sentence?"

• Mathematical equation containing one or more variables.

• Mathematical statement containing numbers and operations.

• Mathematical statement containing numbers and an equal sign ( = ).

• Mathematical expression containing a variable.

____________ is a mathematical statement that shows two equal expression and a missing quantity which has to be found.

• Close sentence

• Percentage

• Open sentence

• Area

The unknown information can be represent it by:

• A number

• A Variable

• An equation

• Equality

when an expression has the = sign now is called

• Number

• Inequality

• Variable

• Equation

The Coefficient is:

• The number next to a variable

• The variable next to the number

• This sign =

• The number on top of the denominator

Evaluate the expression a + b when a=8 and b=10

• 23

• 18

• -18

• 20

the sum of fifty-two and a number

• 52+n

• -52-n

• n-52

• 52/n

the product of a number and 7 is 42.

• n +7 = 42

• n -7 = 42

• n * 7 = 42

• n /7 = 42

Three less than 8 times a number

• 3 * 8x

• 3 / 8x

• 3 +8x

• 3 - 8x