Mathematics Flashcard

Front

Write in slope intercept form: 5x - 3y = -9

Back

y = (5/3)x + 3

Front

A thermos holds 2 quarts of liquid. If 1/2 tablespoon of ground coffee makes 4 cups of coffee, how many thermoses can be filled with the coffee made from 3 tablespoons of ground coffee? (1 quart = 4 cups)

Back

3

Front

The mean price of a gallon of gas in a certain state is $2.95 with a standard deviation of 12 cents. Which of the following prices is not within 2 standard deviations of the mean price?

Back

$3.18

Front

The equation of a circle in the xy-plane is shown above. What is the area of the circle?

Back

7π

Front

A large container can be filled with four times as much water as a medium-sized container, or nine times as much as a small-sized container. If x small containers and x large containers are needed to fill a water tank that could be filled with 120 medium-sized containers, what is the value of x?

Back

27

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you convert a standard equation of a line to slope-intercept form?

Back

Isolate y on one side of the equation.

Front

What is the relationship between quarts and cups?

Back

1 quart = 4 cups.

Front

What is the formula for the area of a circle?

Back

Area = πr², where r is the radius.

Front

What does standard deviation measure in a data set?

Back

It measures the amount of variation or dispersion from the mean.