Algebra 1 Final Review

Front

What is a system of equations?

Back

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

Front

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.

Front

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

Back

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

Front

What does it mean if a parabola opens upwards?

Back

If a parabola opens upwards, it has a minimum value at its vertex.

Front

What does it mean if a parabola opens downwards?

Back

If a parabola opens downwards, it has a maximum value at its vertex.

Front

What is the vertex form of a parabola?

Back

Front

How do you graph a linear equation?

Back

1. Identify the slope and y-intercept. 2. Plot the y-intercept on the graph. 3. Use the slope to find another point. 4. Draw the line through the points.

Front

What is the difference between a maximum and minimum value in a quadratic function?

Back

A maximum value is the highest point on the graph, while a minimum value is the lowest point.

Front

What is a linear equation?

Back