MIX 4

Front

What is the range of a function?

Back

Front

What does it mean for two lines to be parallel?

Back

Two lines are parallel if they have the same slope and will never intersect. For example, if line m has a slope of -\frac{1}{2}, any line parallel to it will also have a slope of -\frac{1}{2}.

Front

How do you find the equation of a line given a point and a slope?

Back

Front

What is the slope-intercept form of a line?

Back

Front

What is an inequality in mathematics?

Back

Front

How do you graph an inequality?

Back

To graph an inequality, first graph the corresponding equation as if it were an equality. Then, use a dashed line for < or > and a solid line for ≤ or ≥. Shade the region that satisfies the inequality.

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 graphically?

Back

To solve a system of equations graphically, plot each equation on the same coordinate grid and identify the point(s) where the lines intersect.

Front

What is the meaning of a y-intercept?

Back

The y-intercept is the point where a line crosses the y-axis. It is represented by the value of y when x = 0.

Front

What does it mean for two lines to be perpendicular?

Back

Two lines are perpendicular if the product of their slopes is -1. For example, if one line has a slope of 2, a line perpendicular to it will have a slope of -\frac{1}{2}.