Form a polynomial whose zeros and degree are given. Use a leading coefficient of 1. Zeros: -1, 1, - 3; degree 3
A. f(x) = x3 + 3x2 + x + 3
B. f(x) = x3 - 3x2 - x + 3
C. f(x) = x3 + 3x2 - x - 3
D. f(x) = x3 - 3x2 + x - 3
Answer: C
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Perform the indicated operations graphically.(-3 - j) + (-1 - 2j )
A. 
a = -3 - j
b = -1 - 2j
c = (-3 - j) + (-1 - 2j )
B. 
a = -3 - j
b = -1 - 2j
c = (-3 - j) + (-1 - 2j )
C. 
a = -3 - j
b = -1 - 2j
c = (-3 - j) + (-1 - 2j )
D. 
a = -3 - j
b = -1 - 2j
c = (-3 - j) + (-1 - 2j )
Perform the indicated operations. Assume that all variables represent positive numbers.
(
+ 
)
A. 35 + 5
B. 70
C. 1225 + 5
D. 35 + 25
Complete the factored form. 7x2 - 10x - 8 = (7x + 4)
A. (x + 2) B. (7x - 4) C. (7x + 2) D. (x - 2)
Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 - 2x - 2y - 7 = 0
A. Center (1, -1), r = 3
B. Center (1, 1), r = 3
C. Center (-1, -1), r = 3
D. Center (-1, 1), r = 3