Unit 5 Assessment

Front

What is the equation of a circle with center (0, 0) and radius 3?

Back

x² + y² = 9

Tags

CCSS.HSG.GPE.A.1

Front

How do you determine if a point is inside, outside, or on a circle?

Back

Calculate the distance from the point to the center. If the distance is less than the radius, it's inside; if equal, it's on; if greater, it's outside.

Front

What is a biased sample?

Back

A biased sample is one that does not accurately represent the population from which it is drawn.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

Front

What is an unbiased sample?

Back

An unbiased sample is one that accurately represents the population, giving every individual an equal chance of being selected.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

Front

What is the center of the circle with equation x² + y² = 1?

Back

(0, 0)

Tags

CCSS.HSG.GPE.A.1

Front

What type of data collection involves recording behaviors or events as they occur?

Back

Observation

Front

What is the difference between an experiment and an observation?

Back

An experiment involves manipulating variables to test a hypothesis, while observation involves recording data without interference.

Front

What is the purpose of a survey in data collection?

Back

To gather information or opinions from a group of people.

Front

What does it mean for a sample to be representative?

Back

A representative sample accurately reflects the characteristics of the larger population.

Tags

CCSS.RL.11-12.6

Front

What is the formula to find the radius of a circle given its equation in standard form?

Back

The radius is the square root of the constant term in the equation x² + y² = r².

Tags

CCSS.HSG.GPE.A.1