NYS Mathematics Test Review 2

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

Define a prime number.

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides. (a² + b² = c²)

Front

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

Back

Mean = (sum of all values) / (number of values)

Front

What is the difference between mean, median, and mode?

Back

Mean is the average, median is the middle value when ordered, and mode is the most frequently occurring value.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

Define a variable in mathematics.

Back

A variable is a symbol used to represent an unknown value.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is a fraction?

Back

A fraction represents a part of a whole and is expressed as a/b, where 'a' is the numerator and 'b' is the denominator.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.