ACT/SAT Practice #4

Front

What is the equation of a line in slope-intercept form?

Back

The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the variable 'm' represent in the equation y = mx + b?

Back

In the equation y = mx + b, 'm' represents the slope of the line.

Front

What is the Quadratic Formula?

Back

Front

What is the Pythagorean Theorem?

Back

Front

How do you find the median of a set of numbers?

Back

To find the median, arrange the numbers in ascending order and identify the middle number. If there is an even number of observations, the median is the average of the two middle numbers.

Front

What is the definition of a slope in a graph?

Back

The slope of a graph is a measure of the steepness or incline of the line, calculated as the change in y divided by the change in x (rise/run).

Front

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

Back

The y-intercept is the point where the line crosses the y-axis, representing the value of y when x is 0.

Front

What does the term 'electoral votes' refer to?

Back

Electoral votes are the votes cast by members of the Electoral College, which formally elects the President and Vice President of the United States.

Front

How do you calculate the total number of survey responses from a table?

Back

To calculate the total number of survey responses, sum all the individual responses recorded in the table.

Front

What is the formula for calculating the average (mean) of a set of numbers?

Back