Flashcard 4.1- 4.3 Big Ideas Algebra I

Front

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

Back

Front

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

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.

Front

What does it mean for two lines to be perpendicular?

Back

Two lines are perpendicular if the product of their slopes is -1.

Front

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

Back

Front

Given the slope -5 and y-intercept 9, write the equation of the line.

Back

Front

If a line has a slope of 2, what is the slope of a line parallel to it?

Back

The slope of a parallel line is also 2.

Front

If a line has a slope of 1/2, what is the slope of a line perpendicular to it?

Back

The slope of a perpendicular line is -2.

Front

How can you convert a point-slope equation to slope-intercept form?

Back

Front

Back

The y-intercept is 4.