Math 8 SOL Review 2

Front

What is percent increase?

Back

Percent increase is a measure of how much a quantity has grown relative to its original amount, expressed as a percentage. It is calculated using the formula: ((New Value - Old Value) / Old Value) * 100.

Front

How do you calculate the probability of an event?

Back

Probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. Formula: P(Event) = Number of Favorable Outcomes / Total Outcomes.

Front

What are vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always equal in measure.

Front

How do you find the percentage of a part compared to a whole?

Back

To find the percentage of a part compared to a whole, use the formula: (Part / Whole) * 100.

Front

What is the formula for calculating percent change?

Back

Percent change is calculated using the formula: ((New Value - Old Value) / Old Value) * 100.

Front

What is the total number of figurines in the bag?

Back

Total figurines = 4 (dogs) + 3 (cats) + 2 (fish) + 8 (horses) + 5 (birds) = 22 figurines.

Front

How do you express a probability as a fraction?

Back

Probability can be expressed as a fraction by writing the number of favorable outcomes over the total number of outcomes.

Front

What is a survey?

Back

A survey is a method of collecting data by asking people questions to gather information about their preferences or opinions.

Front

What is the relationship between angles formed by intersecting lines?

Back

When two lines intersect, they form pairs of angles: vertical angles (equal) and adjacent angles (sum to 180 degrees).

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and multiply by 100.