Solve the system of equations graphically using a graphing calculator. Find all values to the nearest hundredth.x2 + y2 = 4xy = 2
A. No solution
B. x = 1.41, y = 1.41
C. x = 1.41, y = -1.41; x = -1.41, y = 1.41
D. x = 1.41, y = 1.41; x = -1.41, y = -1.41
Answer: D
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Solve the problem.The slope of the tangent line to the hyperbola 5x2 - 7y2 - 217 = 0 at two points on the hyperbola is - 
. What are the coordinates of the points of tangency?
A. (7, 2) and (-7, -2) B. (5, 7) and (-5, -7) C. (7, -5) and (-7, 5) D. (7, -2) and (-7, 2)
Use the preference table to answer the question.Diners at the Monsieur Herni restaurant answer a questionnaire about their favorite course in a French meal. The choices are: Appetizer (A), Entree (E), and Dessert (D). Their votes are summarized in the following table.
Which course is selected as the most favorite using the plurality-with-elimination method?
A. Tie between Appetizer and Entree B. Entree C. Appetizer D. Dessert
Solve the problem.It took three assembly-line workers 3.78 seconds, 6.058 seconds, and 7.2 seconds to assemble a product. How many seconds in all did they work?
A. 9.478 sec B. 10.98 sec C. 9.838 sec D. 17.038 sec
Assume the pentagon in the star is regular. The measure of ?A is?
(a) 36°
(b) 54°
(c) 72°
(d) 108°
(e) 144°
