Simplify. 42 + 82 ÷ 22
A. 32
B. 20
C. 84
D. 36
Answer: A
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Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -x2 + 5 B. y = -(x + 5)2 C. y = -(x - 5)2 D. y = -x2 - 5
Convert.48,000 millimeters = kilometers
A. 0.0048 B. 0.48 C. 4.8 D. 0.048
Find the center, foci, and vertices of the ellipse.36(x + 1)2 + 25(y - 2)2 = 900
A. center at (1, 2)
foci at (1, 2 - 
), (1, 2 + 
)
vertices at (1, 8), (1, -4)
B. center at (2, -1)
foci at (2, -1 - 
), (2, -1 + 
)
vertices at (2, 8), (2, -4)
C. center at (0, 2)
foci at (0, 2 - 
), (0, 2 + 
)
vertices at (0, 8), (0, -4)
D. center at (-1, 2)
foci at (-1, 2 - 
), (-1, 2 + 
)
vertices at (-1, 8), (-1, -4)
In the figure, the distance from A to D is y, the distance from D to C is x, and the distance from C to B is h.
?
?
If 
, 
, and 
, find h, then x.
?
Apply the rules regarding the use of significant digits when determining your answer.
?
__________
?
__________
What will be an ideal response?