EOC Math 3 Review

Front

What does it mean to reduce a fraction to lowest terms?

Back

To reduce a fraction to lowest terms means to simplify it so that the numerator and denominator have no common factors other than 1.

Front

What is the difference between an observational study and an experiment?

Back

An observational study involves observing subjects without manipulation, while an experiment involves manipulating one or more variables to determine their effect.

Front

What is the coordinate on the unit circle at 30°?

Back

(√3/2, 1/2)

Front

How is the function y = 2^x transformed to make y = 2^(x - 5) + 3?

Back

The function is translated right 5 units and up 3 units.

Front

What is the value of x in the equation 2x + 5 = 25?

Back

20

Front

What is a stratified random sample?

Back

A stratified random sample is a sampling method where the population is divided into subgroups (strata) and random samples are taken from each stratum.

Front

What is a cluster sample?

Back

A cluster sample is a sampling method where the population is divided into clusters, and entire clusters are randomly selected.

Front

What is the Pythagorean theorem?

Back

The Pythagorean theorem states that 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.

Front

What is the formula for the area of a circle?

Back

The area of a circle is given by the formula A = πr², where r is the radius.

Front

What is the quadratic formula?

Back

The quadratic formula is x = (-b ± √(b² - 4ac)) / (2a), used to find the roots of a quadratic equation ax² + bx + c = 0.