Graph the equation. Identify the coordinates of the vertex.y = x2 + 2x - 3
A. (- 1, - 4)
B. (1, 4)
C. (1, - 4)
D. (- 1, 4)
Answer: A
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Decide whether or not the ordered pair is a solution of the system.
A. Yes B. No
Find the general equation of the orthogonal trajectories of the curves for the given equations.The exponential curves y = ce-4x
A. 8y2 = x2 + c B. 4y2 = x + c C. 4y2 = 2x - c D. 4y2 = x2 - c
Solve the problem.The numbers on the right in the equations below are the hexagonal numbers. Write the next two equations in the sequence: 1 = 1 1 + 5 = 6 1 + 5 + 9 = 15 1 + 5 + 9 + 13 = 28 
= 
= 
A. 1 + 5 + 9 + 13 + 15 = 43 1 + 5 + 9 + 13 + 15 + 17 = 60 B. 1 + 5 + 9 + 13 + 19 = 47 1 + 5 + 9 + 13 + 19 + 27 = 74 C. 1 + 5 + 9 + 13 + 17 = 43 1 + 5 + 9 + 13 + 17 + 21 = 60 D. 1 + 5 + 9 + 13 + 17 = 45 1 + 5 + 9 + 13 + 17 + 21 = 66
Answer the question.True or False: The graph of the equation x + 5y = 0 goes through the origin.
A. True B. False