202412 Semester Exam Review

Front

What is a system of equations?

Back

A set of two or more equations with the same variables. The solution is the point(s) where the equations intersect.

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How do you solve a system of equations using substitution?

Back

1. Solve one equation for one variable. 2. Substitute that expression into the other equation. 3. Solve for the remaining variable.

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What does it mean for two lines to be parallel?

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Two lines are parallel if they have the same slope and will never intersect.

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What is the rate of change in a linear relationship?

Back

The rate of change is the ratio of the change in the dependent variable to the change in the independent variable, often represented as the slope.

Front

What is the slope-intercept form of a linear equation?

Back

Front

What is an equivalent expression?

Back

An expression that has the same value as another expression for all values of the variable(s).

Front

How do you simplify a fraction with exponents?

Back

Use the laws of exponents: subtract the exponent of the denominator from the exponent of the numerator for like bases.

Front

What is the square root of a number?

Back

Front

What does it mean for an equation to be perpendicular to the y-axis?

Back

Front

What is the definition of a linear equation?

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