Algebra 1 Midterm Review

Front

What is the equation of a vertical line that passes through the point (5, y)?

Back

The equation is x = 5.

Front

What is the equation of a horizontal line that passes through the point (x, 5)?

Back

The equation is y = 5.

Front

What is the slope formula?

Back

Front

What does the term 'rise' refer to in the slope formula?

Back

'Rise' refers to the change in the y-coordinates (vertical change) between two points.

Front

What does the term 'run' refer to in the slope formula?

Back

'Run' refers to the change in the x-coordinates (horizontal change) between two points.

Front

How do you write the equation of a line in slope-intercept form?

Back

Front

Back

The y-intercept is -9.

Front

Back

Substitute the x-value into the equation and see if the resulting y-value matches the given y.

Front

What is a system of equations?

Back

A system of equations is a set of two or more equations with the same variables.

Front

What does it mean for a system of equations to be consistent?

Back

A consistent system has at least one solution where the equations intersect.