Unit 4 Review

Front

What is a linear function?

Back

Front

What does it mean for a system of equations to have no solution?

Back

A system of equations has no solution when the graphs of the equations are parallel lines, meaning they never intersect.

Front

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

Back

Front

What is the y-intercept of a linear equation?

Back

Front

How can you determine if two lines are perpendicular?

Back

Front

What is the cost of each soda if 3 popcorns and 5 sodas cost $49.14 and 6 popcorns and 6 sodas cost $78.72?

Back

The cost of each soda is $4.89.

Front

What is the general form of a linear equation?

Back

Front

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

Back

A system of equations is consistent if it has at least one solution, meaning the graphs of the equations intersect at one or more points.

Front

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

Back

Front

How do you graph a linear equation?

Back

To graph a linear equation, find the y-intercept (b) on the y-axis, use the slope (m) to find another point, and draw a straight line through the points.