Algebra Bell Ringer Unit 4 Test Day

Front

What is a system of equations?

Back

A set of two or more equations with the same variables that are solved together.

Front

What is a system of inequalities?

Back

A set of two or more inequalities with the same variables that are solved together.

Front

How do you represent a system of equations for a word problem?

Back

Translate the problem into equations using variables to represent unknowns.

Front

What is the elimination method in solving systems of equations?

Back

A method that involves adding or subtracting equations to eliminate one variable.

Front

What is the substitution method in solving systems of equations?

Back

A method where one equation is solved for one variable, which is then substituted into the other equation.

Front

What does it mean to graph a system of equations?

Back

Plotting each equation on the same graph to find the point(s) where they intersect.

Front

What is the significance of the intersection point in a system of equations?

Back

It represents the solution to the system, where all equations are satisfied.

Front

How do you write an inequality from a word problem?

Back

Identify the constraints and relationships, then express them using inequality symbols.

Front

What does the symbol '≤' mean in inequalities?

Back

It means 'less than or equal to'.

Front

What does the symbol '>' mean in inequalities?

Back

It means 'greater than'.