8.1 Warm-Up

Front

What is the unit circle?

Back

The unit circle is a circle with a radius of 1, centered at the origin (0,0) in the coordinate plane. It is used to define trigonometric functions and their values at various angles.

Front

What is the angle in radians for a full rotation?

Back

Front

How do you convert degrees to radians?

Back

Front

Back

Front

What is a zero of a function?

Back

Front

How do you find the greatest zero of a polynomial function?

Back

Front

What is the purpose of a survey in statistics?

Back

A survey is used to collect data from a sample of individuals to make inferences about a larger population.

Front

How do you calculate expected values in a survey?

Back

To calculate expected values, use the proportion of the sample that selected a particular option and multiply it by the total population size.

Front

Back

Front

What is a rational equation?

Back

A rational equation is an equation that involves one or more rational expressions, which are fractions with polynomials in the numerator and denominator.