equations Review

What is a variable?

• A letter that represents a number

• A number

• I don't know

Which of the following is an example of an expression?

• y=3x-2

• 4x+7=12x-5

• 3x^2-6x+7x^2+8xy-xy

• 5g-4g+9g+21=96

What does it mean to simplify?

• solve for a single value

• combine like terms to make an expression smaller

• get organized

• get rid of old clothes

A coefficient is....

• A letter

• A number that is next to a letter

• the number that stands alone

• only used in solving

What Does Term Mean?

• A mathematical sentence that shows the relationship between quantities that are not equivalent.​

• all the parts of an expression or equation that are added or subtracted.​

• Yes

• I Do Not Know

5y - 7 is an example of an ____________

• expression

• equation

In 8r - 3 , the COEFFICIENT is ___

• 8

• r

• -

• 3

What is an equation?

• A mathematical state that shows that two mathematical expressions are equal.

• A sentence with a minimum of two numbers and at least one math operation.

• The rules that state the sequence in which the multiple operations in an expression should be solved.

• Parentheses or brackets used to group expressions that should be solved 1st in the order of operations.

What is an Expression?

• A mathematical state that shows that two mathematical expressions are equal.

• A sentence with a minimum of two numbers and at least one math operation. there is no equal sign

• The rules that state the sequence in which the multiple operations in an expression should be solved.

• Parentheses or brackets used to group expressions that should be solved 1st in the order of operations.

All equations must have an _____