Multiply.(2y2 - 10)(2y2 + 10)
A. 4y4 - 40y2 + 40
B. 4y2 + 100
C. 4y4 - 40y2 - 100
D. 4y4 - 100
Answer: D
Mathematics
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Solve the equation. If the solutions involve square roots, give both the exact solutions and the approximate solutions to three decimal places.60n2 + 18n = 0
A. 0
B. 
, 0
C. - 
, 0
D. 
, - 
Mathematics
Find all solutions of the following equation algebraically. 
a. 
b. x = -4
c. 
d. 
e. x = 0
Mathematics
Write an inequality associated with the given graph.
A. x < 4 B. x > 4 C. x ? 4 D. x ? 4
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.-6
- 6i
A. 
cis 70°, 
cis 190°, 
cis 310°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 80°, 
cis 200°, 
cis 320°
Mathematics