Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the limit.
A. 9 B. 27 C. 3 D. Does not exist
Mathematics
Replace the polar equation with an equivalent Cartesian equation.r2 + 2r2 sin ? cos ? = 100
A. x + y = ±10 B. x2 + 3y2 = 100 C. x2 + y2 = 100 D. x + y = 10
Mathematics
Express the number in standard notation.4.7980 × 105
A. 239.9 B. 4,798,000 C. 479,800 D. 47,980
Mathematics
We can often multiply and divide radicals with different indexes. For example:
?
?
Use this idea to write the following expression as a single radical.
?
?
Write your answer as an expression with the denominator rationalized.
What will be an ideal response?
Mathematics