Divide. Express your answer in standard form.
A. -1 + 1i
B. 1 - 1i
C. 1 + 1i
D. -1 - 1i
Answer: D
Mathematics
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Find the vertex, focus, and directrix of the parabola with the given equation.(y - 3)2 = -20(x - 2)
A. vertex: (3, 2) focus: (-2, 2) directrix: x = 8 B. vertex: (2, 3) focus: (-3, 3) directrix: x = 7 C. vertex: (2, 3) focus: (7, 3) directrix: x = -3 D. vertex: (-2, -3) focus: (-7, -3) directrix: x = 3
Mathematics
Answer the question.Are two equilateral triangles always similar? Explain why or why not.
What will be an ideal response?
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Graph the point symmetric to the given point.Plot the point (-4, 7), then plot the point that is symmetric to (-4, 7) with respect to the y-axis.
A. 
B. 
C. 
D. 
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Evaluate.
A. 
B. 13
C. 
D. 
Mathematics