enVision Math Topic 4 Practice

Front

What is a dependent variable?

Back

A dependent variable is a variable whose value depends on the value of another variable. It is what you measure in an experiment.

Front

What is an independent variable?

Back

An independent variable is a variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

In the equation y = x + 3, what is the dependent variable?

Back

y is the dependent variable.

Front

In the equation y = x + 3, what is the independent variable?

Back

x is the independent variable.

Front

If Sophie earns $5 for every A she gets, what does 'm' represent?

Back

m represents the total money earned.

Front

If r represents the number of apple slices remaining and e represents the number of apple slices eaten, what does r depend on?

Back

r depends on the value of e.

Front

What does the equation w = 50m represent?

Back

It represents the relationship between the number of words typed (w) and the minutes spent typing (m), where Nancy types 50 words per minute.

Front

What is the relationship between distance and time in a speed equation?

Back

Distance = Speed × Time, where speed is constant.

Front

What is the formula for calculating total earnings based on hourly wage and hours worked?

Back

Total Earnings = Hourly Wage × Hours Worked.

Front

What does it mean if a variable is constant in an equation?

Back

A constant variable does not change and remains the same throughout the experiment.