Which system of equations is represented in the graph? y=-2
x-2y=6

y=-2
x+2y=6

x=-2
2x-y=3

x=-2
2x+y=-3

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39