Find the pair of numbers whose product and sum are given.Product: 18 Sum: -11
A. 2 and 9
B. 2 and -9
C. -2 and 9
D. -2 and -9
Answer: D
Mathematics
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Determine the amplitude or period as requested.Period of y = 
cos 
x
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.On the graph of the equation y = 5x2 - 8x + 6, the vertex is the 
point.
A. lowest B. middle C. highest D. axis
Mathematics
For the set, list all elements that belong to the specified set.{10, 
, -4, 0}; Real numbers
A. 10, 
, -4, 0
B. 10, -4, 0
C. 10
D. 10, 0
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.2 + 2i
A. 
cis 20°, 
cis 140°, 
cis 260°
B. 
cis 20°, 
cis 140°, 
cis 260°
C. 
cis 30°, 
cis 150°, 
cis 270°
D. 
cis 20°, 
cis 140°, 
cis 260°
Mathematics