Math 7A CAASPP Practice Flashcard

Front

Back

1.375

Front

What is a representative sample in statistics?

Back

A representative sample is a subset of a population that accurately reflects the members of the entire population.

Front

What is the equivalent expression for (4x + 3) + (-2x + 4)?

Back

2x + 7

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where their ratio remains constant.

Front

If there are 3.5 grams of peanuts for every 1 gram of raisins, what is the ratio of peanuts to raisins?

Back

3.5:1

Front

What is the formula for finding the area of a composite figure?

Back

Add the areas of the individual shapes that make up the composite figure.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and performing operations.

Front

What is the importance of random sampling in surveys?

Back

Random sampling ensures that every member of the population has an equal chance of being selected, reducing bias.

Front

What is the area of a rectangle with a length of 25 inches and a width of 55 inches?

Back

Area = 25 × 55 = 1375 square inches.