Algebra 2 Review

Front

What is a system of equations?

Back

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

Front

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

Back

Identify the variables, translate the relationships into equations, and set them equal to each other.

Front

What does it mean to factor an expression?

Back

To express it as a product of its factors.

Front

What is the process of simplifying a fraction?

Back

Factor the numerator and denominator, then cancel out common factors.

Front

What is the solution to a system of equations?

Back

The point where the graphs of the equations intersect, representing the values of the variables that satisfy all equations.

Front

How do you find the age of two people given their age relationship?

Back

Set up a system of equations based on the relationships and solve for the variables.

Front

What is the significance of the slope in a linear equation?

Back

The slope indicates the steepness of the line and the direction of the relationship between the variables.

Front

How do you calculate a percentage of a total?

Back

Multiply the total by the percentage (in decimal form). For example, 20% of 20 is 20 * 0.20 = 4.

Front

What is the formula for finding the intersection of two lines?

Back

Set the equations equal to each other and solve for the variable.

Front

What does it mean for two lines to be parallel?

Back

They have the same slope and will never intersect.