Simplify.i14
A. i
B. -1
C. -i
D. 1
Answer: B
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Identify the degree and leading coefficient of the polynomial.f(x) = -11 + 17x + 5x2 - 5x3 - 18x4
A. Degree: 4; leading coefficient: -18 B. Degree: 3; leading coefficient: -5 C. Degree: 4; leading coefficient: -11 D. Degree: -11; leading coefficient: -18
Solve the problem.A circular pond is being installed in the corner of a yard, as shown. The installer needs to know the value of x in feet. Find x to the nearest tenth of a foot. 
?a = 49 ft
A. 52.9 ft B. 53.6 ft C. 53.8 ft D. 53.2 ft
Solve the system of equations using substitution.
A. x = -3, y = -1; x = -1, y = -3; x = -3, y = 1; x = -1, y = 3 or (-3, -1), (-1, -3), (-3, 1), (-1, 3) B. x = 3, y = 1; x = 1, y = 3; x = 3, y = -1; x = 1, y = -3 or (3, 1), (1, 3), (3, -1), (1, -3) C. x = 3, y = -3; x = -3, y = -1; x = 1, y = 3; x = -1, y = -3 or (3, -3), (-3, -1), (1, 3), (-1, -3) D. x = 3, y = 1; x = -3, y = -1; x = 3, y = -1; x = -3, y = 1 or (3, 1), (-3, -1), (3, -1), (-3, 1)
Find a set of parametric equations for the rectangular equation.
?
?
A. 
B. 
C. 
D. 
E. 