Solve the system by elimination.2x2 - 4y2 = 164x2 + 2y2 = 72
A. (4, 2), (-4, 2), (4, -2), (-4, -2)
B. (-4, -2), (-2, -4)
C. (4, 2), (2, 4), (-4, -2), (-2, -4)
D. (4, -2), (4, 2)
Answer: A
You might also like to view...
Solve the problem.Use the formula N = Iekt, where N is the number of items in terms of the initial population I, at time t, and k is the growth constant equal to the percent of growth per unit of time. A certain radioactive isotope decays at a rate of 0.275% annually. Determine the half-life of this isotope, to the nearest year.
A. 252 years B. 182 years C. 3 years D. 109 years
Give the equations of any vertical asymptotes for the graphs of the rational functions.f(x) =
A. x = 3 B. x = 1, x = -1 C. x = -3 D. None
Provide an appropriate response.Fill in the blank to complete the statement. For the polynomial function as
A. -20.8 B. ? C. 0 D. -?
Using the table, set up proportions to solve.The table shows a scale for the cost of sending printed matter to different countries using the services of an undisclosed courier.Is it cheaper to send a 3.5 lb package to Mexico or a 3.5 lb package to Canada?
A. 3.5 lb package to Mexico B. 3.5 lb package to Canada