What number should be added to complete the square of the expression?x2 - 
x
A. 
B. - 
C. - 
D. 
Answer: A
Mathematics
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Graph the linear inequality.y ? 3x
A. 
B. 
C. 
D. 
Mathematics
Find the arc length parameter along the curve from the point where t = 0 by evaluating 
r(t) = (2cos t)i + (2sin t)j + 5tk
A. 
t
B. 
t
C. 
t
D. 3
t
Mathematics
In a series circuit, R = 2.2 Kê, XL = 6.2 Kê, and XC = 9.8 Kê. Find Z and é.
a. Z = 18.2 Kê, é = -83.1ø b. Z = 4.2 Kê, é = -58.6ø c. Z = 18.2 Kê, é = 83.1ø d. Z = 16.2 Kê, é = 82.2ø e. Z = 16.2 Kê, é = -58.6ø
Mathematics
Multiply and express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics