Semester Final Review

Front

What is a system of equations?

Back

A set of two or more equations with the same variables. Solutions are the points where the equations intersect.

Front

How do you solve a system of equations graphically?

Back

Plot both equations on the same graph and identify the point(s) where they intersect.

Front

What does it mean if a system of equations has no solution?

Back

The lines representing the equations are parallel and never intersect.

Front

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

Back

Front

How do you find the slope from an equation in standard form?

Back

Front

What is the significance of the y-intercept in a linear equation?

Back

Front

What is a quadratic function?

Back

Front

How do you evaluate a function at a specific point?

Back

Substitute the value of the variable into the function and simplify.

Front

What is the vertex of a parabola?

Back

The highest or lowest point of the parabola, depending on its orientation.

Front

What does it mean for a function to be increasing or decreasing?

Back

A function is increasing if its output values rise as the input values increase, and decreasing if the output values fall.