6/10 Review

Describe the roots of this graph.

• 2 imaginary roots

• 1 real root

• 2 real, rational roots

• 2 real, irrational roots

• (2,7)

• (-2,7)

• (2,-7)

• (-2,-7)

• 16 units below

• 16 units above

• 4 units below

• 4 units above

The results of a survey asking employees at an office how much money they make is normally distributed. If there are 100 workers at this office, how many of them can we expect to be within two standard deviations of the average salary?

• 68

• 95

• 99

• 83

• 🐶 only

• 🐶 and 🐟 fish only

• 🐟 and 😺 only

• 😺 only

In which quadrants is cosine positive?

• I and II

• I and III

• I and IV

• II and IV

Which fraction is equivalent to sec θ?

• 17

• 32

• 33

• 9