Name: 
 

Warmups Topic 8.5



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 
 
Solve the given equation. State the number and type of roots.
 

 1. 

warmups_topic_8_5_files/i0030000.jpg = 0
a.
The equation has two real roots, warmups_topic_8_5_files/i0030001.jpg and –9.
b.
The equation has two real roots, warmups_topic_8_5_files/i0030002.jpg and 9.
c.
The equation has two real roots, –4 and 9.
d.
The equation has two real roots, –4 and –9.
 
 
State the possible number of imaginary zeros in the given function.
 

 2. 

warmups_topic_8_5_files/i0050000.jpg
a.
4
c.
5
b.
3
d.
2
 

 3. 

warmups_topic_8_5_files/i0060000.jpg
a.
1
c.
2
b.
3
d.
0
 

 4. 

Find all of the zeros of the function f(x) = warmups_topic_8_5_files/i0070000.jpg.
a.
(9 – i), (9 + i)
c.
–4, (9 – i), (9 + i)
b.
4, (9 – i)
d.
4, (9 – i), (9 + i)
 

 5. 

Find all of the zeros of the function warmups_topic_8_5_files/i0080000.jpg.
a.
2.5, 2, 3
c.
–2.5, –2, 3
b.
–2.5, 2, 3
d.
2.5, 3
 



 
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