Graph the ellipse. Label the intercepts.50x2 + y2 = 100
A. (-
, 0), (
, 0), (0, -
), (0, 
)
B. (-2, 0), (2, 0), (0, -
), (0, 
)
C. (-2, 0), (2, 0), (0, -10), (0, 10)
D. (-
, 0), (
, 0), (0, -10), (0, 10)
Answer: D
Mathematics
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Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
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Write the complex number in trigonometric form, using degree measure for the argument.9 - 12i
A. 15(cos 233.1° + i sin 233.1°) B. 15(cos 53.1° + i sin 53.1°) C. 15(cos 126.9° + i sin 126.9°) D. 15(cos 306.9° + i sin 306.9°)
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Find the area.
A. 22 m2 B. 60.5 m2 C. 44 m2 D. 121 m2
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Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.3 log5 4 + 
log5 (r - 7) - 
log5 r
A. log5 
B. log5 
C. log5 
D. log5 
Mathematics