Semester Practice

Front

What is the equation that shows how Rob's revenue (y) depends on the number of whistles sold (x)?

Back

y = 2x

Front

If Rob sells 5 whistles, what is his revenue?

Back

$10

Front

What is Sarah's revenue per phone sold?

Back

$9

Front

What does the slope of the line in the equation y = 4x + 10 represent?

Back

positive

Front

What is the equation that shows how Patrick's total cost (y) depends on the number of violas purchased (x)?

Back

y = 3x

Front

If Patrick buys 4 violas, how much does he spend?

Back

$12

Front

How do you calculate 75% of a number?

Back

Multiply the number by 0.75.

Front

What is 75% of 60?

Back

45

Front

What does the term 'slope' refer to in a linear equation?

Back

The slope indicates the steepness of the line and the direction of the relationship between x and y.

Front

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

Back

The slope of the line.