Define algebra.
A branch of mathematics dealing with symbols and the rules for manipulating those symbols.
What is the Pythagorean theorem?
A formula stating that in a right triangle, the square of the hypotenuse equals the sum of the squares of the other two sides.
True or false: A quadratic equation has a degree of 2.
TRUE
Fill in the blank: The slope of a line is calculated as ______.
rise over run
What is the mean of a set of numbers?
The average, calculated by dividing the sum of the numbers by the count of numbers.
Define geometry.
The branch of mathematics concerned with the properties and relations of points, lines, surfaces, and solids.
What does percent mean?
A ratio expressed as a fraction of 100.
True or false: A circle has no corners.
TRUE
Fill in the blank: The area of a rectangle is calculated as ______.
length times width
What is a function?
A relation that assigns exactly one output for each input.
Define probability.
The measure of the likelihood that an event will occur, ranging from 0 to 1.
What is the median of a data set?
The middle value when the numbers are arranged in order.
True or false: An acute angle measures more than 90 degrees.
FALSE
Fill in the blank: The circumference of a circle is calculated as ______.
2πr or πd
What is a prime number?
A natural number greater than 1 that has no positive divisors other than 1 and itself.
Define statistics.
The science of collecting, analyzing, interpreting, and presenting data.
What is the range of a data set?
The difference between the highest and lowest values.
True or false: A triangle can have two right angles.
FALSE
Fill in the blank: The volume of a cube is calculated as ______.
side length cubed
What is an exponent?
A number that shows how many times a base is multiplied by itself.
Define ratio.
A comparison of two quantities by division.
What is a linear equation?
An equation that makes a straight line when graphed.
True or false: The sum of angles in a triangle is always 180 degrees.
TRUE
Fill in the blank: The hypotenuse is the longest side of a ______.
right triangle
