Bell Ringer Dec. 2-6: Writing Equations

Front

What is the expression for the cost of chocolate chip cookies if they cost $3.00 each and $2 for boxing?

Back

y = 3x + 2

Front

What is the equation of the linear function with a slope of 3 and a y-intercept of 16?

Back

y = 3x + 16

Front

How do you represent the total cost of a holiday meal for x people if it costs $12.50 per person plus a $30 delivery fee?

Back

y = 30 + 12.50x

Front

What is the equation representing a man descending from 100 feet at a rate of 30 feet per minute?

Back

y = 100 - 30x

Front

What is the equation for the total cost of a taxi ride that charges a flat fee of $5 plus $2 per mile?

Back

y = 5 + 2x

Front

Define a linear equation.

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What does the slope in a linear equation represent?

Back

The rate of change of y with respect to x.

Front

What is the y-intercept in a linear equation?

Back

The value of y when x = 0, represented by b in the equation y = mx + b.

Front

How do you determine the total cost from a linear equation?

Back

Substitute the value of x (quantity) into the equation to find y (total cost).

Front

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

Back

They represent the rate of change and the starting value in the context of the problem.