P F Test 3 -- Linear Equations

Front

What is a linear equation?

Back

Front

What does it mean for a line to have an undefined slope?

Back

Front

How do you find the slope of a line given two points?

Back

Front

What is the equation of a line in slope-intercept form?

Back

Front

What does it mean for two lines to be parallel?

Back

Two lines are parallel if they have the same slope but different y-intercepts. They will never intersect.

Front

What does it mean for two lines to be perpendicular?

Back

Two lines are perpendicular if the product of their slopes is -1. This means that one line's slope is the negative reciprocal of the other's.

Front

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

Back

Front

What is the y-intercept of a line?

Back

Front

How do you convert the standard form of a linear equation to slope-intercept form?

Back

Front

What is the significance of the coefficients in a linear equation?

Back