Review Unit 6

Front

What is the cost of each bag of potatoes if three bags and four cases of corn cost $40 and five bags and two cases of corn cost $34?

Back

$4 per bag of potatoes.

Front

What is a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the purpose of a system of equations?

Back

To find the values of variables that satisfy multiple equations simultaneously.

Front

What is the substitution method in solving systems of equations?

Back

A method where one equation is solved for one variable, and that expression is substituted into the other equation.

Front

What is the elimination method in solving systems of equations?

Back

A method where equations are added or subtracted to eliminate one variable.

Front

What is a coefficient in an algebraic expression?

Back

A numerical factor that multiplies a variable.

Front

What is the difference between a constant and a variable?

Back

A constant is a fixed value, while a variable can change.

Front

What is the solution to the equation 2x + 3 = 11?

Back

x = 4.