Determine the vertex of the graph of the parabola.y = x2 - 2x - 8
A. (1, 9)
B. (- 1, 9)
C. (1, - 9)
D. (- 1, - 9)
Answer: C
Mathematics
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The number line in the following graphic represents fictional net exports in billions of dollars for five countries. Net exports are obtained by subtracting total imports from total exports; a negative net export means the country imported more goods than it exported.
What is the sum of net exports for China and The United States ?
A. 230 billion dollars B. 0 billion dollars C. 30 billion dollars D. 10 billion dollars
Mathematics
Perform the indicated operation. 
+ 
A. 
B. 
C. 
D. 
Mathematics
Find the area of the shaded region.
A. 
B. 
C. 
D. 
Mathematics
Find an equation of the parabola described.Vertex at (0, 0); axis of symmetry the x-axis; containing the point (6, 1)
A. y2 = 
x
B. x2 = 
y
C. y2 = 
x
D. x2 = 
y
Mathematics