Find a polar equation for the conic. A focus is at the pole.e = 1; directrix is parallel to the polar axis 2 above the pole
A. r = 
B. r = 
C. r = 
D. r = 
Answer: B
Mathematics
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Solve the system of equations using substitution.
A. (1, -1) B. (-2, -1) C. no solution D. (-1, -2)
Mathematics
Solve the problem.How many of the numerals 30, 31, ..., 39 have horizontal reflection symmetry? Consider the numeral 1 as a vertical segment ?.
A. 3 B. 2 C. 4 D. 5
Mathematics
Verify that each equation is an identity.cot(2?)= 
What will be an ideal response?
Mathematics
Solve the system by substitution.x + 3y = 0x - 3y = 24
A. {(-4, 12)} B. {(12, -4)} C. {(3, -1)} D. {(12, 4)}
Mathematics