Algebra 2 Common Core Review Quiz

What percentage of candies does the JNB Candy Company claim to be blue?

• 30%

• 45%

• 25%

• 50%

If Bonnie's bag contains 24 blue candies, what can be inferred about the company's production?

• The company is not meeting its production standards.

• The company should change their claim to 37%.

• Bonnie's bag is a rare occurrence.

• Bonnie's bag is within the middle 95% of the simulated data.

Which investigation technique is most often used to determine if a single variable impacts a population?

• Controlled experiment

• Survey

• Case study

• Observational study

As theta increases from negative pi over 2 to 0 radians, what happens to the value of cosine of theta?

• It increases from -1 to 0.

• It remains constant.

• It decreases from 1 to 0.

• It increases from 0 to 1.

What shape does the graph of cosine of theta resemble?

• A circle

• A U shape

• A V shape

• A straight line