Define mean.
The average of a set of numbers, calculated by dividing the sum by the count.
True or false: The median is the middle value in a data set.
TRUE
Fill in the blank: Mode is the value that appears _______ in a data set.
most frequently
What is the Pythagorean theorem?
A formula to find the length of a side in a right triangle: a² + b² = c².
Define percentage.
A fraction expressed as a part of 100.
What does area measure?
The amount of space inside a two-dimensional shape.
True or false: A circle has a constant radius from its center.
TRUE
Fill in the blank: The circumference of a circle is its _______.
perimeter
What is a prime number?
A number greater than 1 that has no positive divisors other than 1 and itself.
Define integer.
A whole number that can be positive, negative, or zero.
What does volume measure?
The amount of space occupied by a three-dimensional object.
True or false: The hypotenuse is the longest side of a right triangle.
TRUE
Fill in the blank: Probability is the measure of the likelihood of an _______.
event occurring
What is the greatest common factor (GCF)?
The largest number that divides two or more numbers without leaving a remainder.
Define ratio.
A comparison of two quantities expressed as a fraction.
What is a quadrilateral?
A four-sided polygon.
True or false: An acute angle measures less than 90 degrees.
TRUE
Fill in the blank: A right angle measures _______.
90 degrees
What is a function in mathematics?
A relation that assigns exactly one output for each input.
Define equation.
A mathematical statement that asserts the equality of two expressions.
What is linear regression?
A statistical method for modeling the relationship between a dependent and one or more independent variables.
True or false: The x-axis is horizontal on a graph.
TRUE
Fill in the blank: The y-intercept is where a line crosses the _______.
y-axis
What is a composite number?
A positive integer that has at least one positive divisor other than one or itself.
