Solve the system graphically. If a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this. Round to the nearest hundredth if necessary. 2x + y = 8 8x + 4y = 32
A. (5, -2)
B. {(x, y) | 2x + y = 8}
C. No solution
D. (0, 8)
Answer: B
Mathematics
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Solve the equation. Write the answer in a + bi form.z3 - 8 = 0
A. 2, 1 + 
i, -1 - 
i
B. 2, 1 - 
i, -1 - 
i
C. 2, -1 + 
i, -1 - 
i
D. 2, 1 + 
i, 1 - 
i
Mathematics
In a regular polygon, each central angle measures 15°. How many sides does the polygon have?
What will be an ideal response?
Mathematics
Find the coordinates of the vertex of the quadratic function.f(x) = -7(x - 5)2 - 9
A. (-9, 5) B. (-7, -5) C. (5, -9) D. (-5, -9)
Mathematics
Give the equation of the vertical asymptote(s) of the rational function.F(x) = 
A. x = 3, x = -3 B. x = 9 C. None D. x = -9
Mathematics