Solve the system of equations by the substitution method.
A. (2, 5)
B. (5, 2)
C. infinite number of solutions
D. no solution
Answer: A
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Make the graph of 
. Use a horizontal span of 0 to 3.
What will be an ideal response?
Determine whether the graph of the polynomial has y-axis symmetry, origin symmetry, or neither.f(x) = -x2(x + 4)(x2 - 1)
A. origin symmetry B. y-axis symmetry C. neither
Use a graphing utility to approximate the real solutions, if any, of the equation rounded to two decimal places.-x4 + 3x3 + 
x2 = 
x + 2
A. {-3.34} B. {2.82, 1.61, -0.46, -0.97} C. {1.09, -0.44} D. no solution
Refer to the figure and use the given information to solve the triangle. Round angles to the nearest degree and side lengths to one decimal place.
A = 63°, b = 4.7
A. A = 63°, B = 27°, C = 90°, a = 8.3, b = 4.7, c = 9.7 B. A = 63°, B = 27°, C = 90°, a = 9.2, b = 4.7, c = 10.4 C. A = 63°, B = 27°, C = 90°, a = 9.0, b = 4.7, c = 10.6 D. A = 63°, B = 27°, C = 90°, a = 8.9, b = 4.7, c = 10.8