CC3 Chapter 3 Test

Front

What does it mean when an equation has infinite solutions?

Back

An equation has infinite solutions when any value of the variable satisfies the equation, indicating that the two sides of the equation are equivalent for all values.

Front

How do you determine the number of tiles a figure grows by?

Back

Count the number of new tiles added to the figure with each iteration. For example, if a figure grows by 3 tiles, it means 3 new tiles are added in each step.

Front

What is the process to add fractions with different denominators?

Back

To add fractions with different denominators, find a common denominator, convert each fraction, and then add the numerators.

Front

What is the formula for the area of a circle?

Back

The area of a circle is calculated using the formula: A = πr², where r is the radius of the circle.

Front

How do you calculate the mean of a set of numbers?

Back

To calculate the mean, add all the numbers together and then divide by the total count of the numbers.

Front

What is the range of a set of numbers?

Back

The range is the difference between the highest and lowest values in a set of numbers.

Front

What does it mean to retake a quiz?

Back

Retaking a quiz means to take the quiz again, usually to improve a previous score.

Front

How do you find the area of a circle with a radius of 9 meters?

Back

Using the formula A = πr², the area is A = 3.14 * 9² = 254.34 m².

Front

What is the significance of the number of solutions in an equation?

Back

The number of solutions indicates how many values satisfy the equation, which can be none, one, or infinitely many.

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in mathematical expressions or equations.