Write the equation in standard form for an ellipse or a hyperbola centered at (h, k).2x2 + 8y2 - 16 = 0
A. 
- 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Answer: D
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Solve the problem.The sum of the numbers 22.432, 13.634, 26.562, 22.315, and 15.057 is 100.000. Adjust the list so that the numbers are shown to the tenths place and their sum is 100.0.
A. 22.4, 13.6, 26.6, 22.3, 15.1 B. 22.4, 13.7, 26.6, 22.3, 15 C. 22.5, 13.6, 26.6, 22.3, 15.1 D. 22.4, 13.6, 26.6, 22.4, 15
Rewrite the polynomial in descending order.Rewrite a3 + 7a2b + 4b3 - 6ab2 in descending powers of b.
A. 4b3 - 6ab2 + 7a2b + a3 B. a3 + 7a2b - 6ab2 + 4b3 C. 4b3 + 7a2b - 6ab2 + a3 D. 4b3 + 6ab2 + 7a2b + a3
Write the equation for the circle described.Center (4, 16), containing the origin
A. (x - 4)2 + (y - 16)2 = 16 B. (x - 16)2 + (y - 4)2 = 16 C. (x - 4)2 + (y - 16)2 = 272 D. (x - 16)2 + (y - 4)2 = 272
State whether the equation is linear or quadratic.4x2 + 9 = -6
A. linear B. quadratic