ACA Fall Final Review

Front

What is the equation for the total cost y of renting a car for x days if the rental company charges a base fee of $30 plus $15 per day?

Back

Front

What is the equation for the total cost y of renting a jet-ski for x hours if the rental company charges a base fee of $175 plus $80 per hour?

Back

Front

What does the variable x represent in the equation y=30+15x for car rental?

Back

x represents the number of days the car is rented.

Front

What does the variable y represent in the equation y=-2x+5 for temperature changes?

Back

y represents the temperature at a given time.

Front

If Lily has $x in her wallet and spends $14, which inequality represents her remaining amount being less than $8?

Back

Front

What is the meaning of the base fee in a rental equation?

Back

The base fee is the initial cost before any additional charges based on usage.

Front

In the equation y=2x+3, what does the slope (2) represent?

Back

The slope represents the rate of change of y with respect to x.

Front

What is the significance of the y-intercept in a linear equation?

Back

The y-intercept is the value of y when x is 0, indicating the starting point of the line.

Front

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

Back

Substitute the value of x (number of days or hours) into the equation to find y (total cost).

Front

What is the relationship between x and y in the equation y=-2x+5?

Back

As x increases, y decreases, indicating an inverse relationship.