Semester Exam Practice

Front

Find 75% of 60

Back

45

Front

Rob is selling whistles. If he sells 5 whistles, what is his revenue according to the equation y = 2x?

Back

10

Front

What is the slope of the line represented by the equation y = 4x + 10?

Back

positive

Front

How much revenue does Rob get for each whistle according to the equation y = 2x?

Back

2

Front

What is the equation to show Sarah's revenue (y) after selling x phones if she earns $9 per phone?

Back

y = 9x

Front

What does the slope of a line represent in a linear equation?

Back

The rate of change of the dependent variable with respect to the independent variable.

Front

If y = mx + b, what does 'm' represent?

Back

The slope of the line.

Front

If y = 2x, what is the revenue when x = 10?

Back

20

Front

What is 50% of 80?

Back

40

Front

If Rob sells 3 whistles, what is his revenue according to the equation y = 2x?

Back

6