Equations Voc 6.18

*A term or combination of terms and operators.

• Equation

• Term

• Constant

• Expression

*Either a single number, a variable, or numbers and or variables multiplied together.  Separated by + and -

• Term

• Coefficient

• Constant

• Operator

A number that is multiplied by a variable. 

• Constant

• Coefficient

• Term

• Operator

*A symbol for an unknown value.  Usually a letter. 

• Term

• Coefficient

• Constant

• Variable

*A mathematical sentence stating that two expressions are equal.  Look for the equal sign.

• Expression

• Term

• Equation

• Bi-lateral Summation 

*A symbol ( +, -, x, or ÷) representing a mathematical operation.

• Term

• Expression

• Operator

• Coefficient

Which of the following is a variable in the equation 
4y - 5 = 31

• 31

• 4

• y

• 4y - 5

Which of the following is a coefficient in the equation 
4y - 5 = 31

• 31

• 4

• y

• 4y - 5

Which of the following is a term in the equation 
4y - 5 = 31

• 31

• 4

• y

• 4y - 5

Which of the following is an expression in the equation 
4y - 5 = 31

• -5

• 4

• y

• 4y - 5