2nd Quarter Assessment Review - Unit 3 & 4

Front

What is the cost of mowing a lawn for 2 hours if the total cost is $18?

Back

The cost of mowing a lawn for 2 hours is $18.

Front

If y varies directly with x, and y = 38 when x = 1/2, what is the value of y when x = 3 1/2?

Back

The value of y when x = 3 1/2 is 266.

Front

Does the table represent a proportional relationship?

Back

No, the table does not represent a proportional relationship.

Front

In the equation y = mx + b, what does 'm' represent?

Back

'm' represents the slope of the line.

Front

Write an equation for the amount of water in a pond after x minutes if water is added at 35 liters per minute and starts with 600 liters.

Back

The equation is y = 35x + 600.

Front

What is a direct variation?

Back

A direct variation is a relationship between two variables where one is a constant multiple of the other.

Front

Define slope in the context of a linear equation.

Back

Slope is the measure of the steepness of a line, calculated as the change in y over the change in x.

Front

What is the y-intercept in a linear equation?

Back

The y-intercept is the value of y when x = 0.

Front

How do you determine if a relationship is proportional?

Back

A relationship is proportional if the ratio of y to x is constant.

Front

What does it mean for a function to be linear?

Back

A linear function is a function that graphs to a straight line, represented by the equation y = mx + b.