Linear Models

Front

What does 'm' represent in a linear equation?

Back

Slope

Front

What is the equation for Juanita's monthly cell phone bill if she uses x minutes of airtime?

Back

C = 0.20x + 15

Front

If the drama club made a total of $290 from ticket sales and $55 in soda and popcorn sales, how many tickets were sold if each ticket costs $5?

Back

47

Front

What function models a man's descent from 100 feet at a rate of 30 feet per minute?

Back

y = 100 - 30x

Front

What is the equation for the total cost (C) to rent a paddle boat for h hours if the rental company charges a $15 deposit and $2 per hour?

Back

C = 2h + 15

Front

What is the y-intercept in the equation y = mx + b?

Back

The value of b.

Front

How do you find the x-intercept of a linear equation?

Back

Set y = 0 and solve for x.

Front

What is the general form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the slope of a line indicate?

Back

The rate of change of y with respect to x.

Front

If a linear equation has a slope of 0, what does that mean about the line?

Back

The line is horizontal.