Algebra 1 Practice SOL

Front

What is an inequality?

Back

Front

How do you solve a linear inequality?

Back

To solve a linear inequality, isolate the variable on one side of the inequality sign. If you multiply or divide by a negative number, reverse the inequality sign.

Front

What does it mean for a relation to be a function?

Back

A relation is a function if every input (x-value) has exactly one output (y-value). This means no x-value can correspond to more than one y-value.

Front

What is the vertex form of a quadratic function?

Back

Front

How do you find the x-intercepts of a quadratic equation?

Back

Front

What is the quadratic formula?

Back

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 set of values that satisfy all equations in the system.

Front

How do you graph a linear equation?

Back

To graph a linear equation, find two or more points that satisfy the equation, plot them on a coordinate plane, and draw a straight line through the points.

Front

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

Back

Front

What does it mean for a graph to be a function?

Back

A graph represents a function if any vertical line drawn through the graph intersects it at most once. This is known as the vertical line test.