Find a polar equation of the conic with a focus at the pole and the given eccentricity and directrix.e = 3, r = -5 sec ?
A. r = 
B. r = 
C. r = 
D. r = 
Answer: C
Mathematics
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Find an equation of the inverse relation.y = 4x2 - 5x - 8
A. y = 4x2 + 5x + 8 B. x = 4y2 - 5x - 8 C. x = 4y2 + 5y + 8 D. x = 4y2 - 5y - 8
Mathematics
Evaluate the polynomial function for the given value.S(x) = 0.8x2 - 4.8x + 2.7; S(-0.2)
A. 3.692 B. 1.019 C. -3.692 D. 0.155
Mathematics
Divide. Write with positive exponents.
A. -2 - 18x6
B. 6x9 + 
C. -2 + 
D. -2 + 6x3
Mathematics
Add or subtract as indicated.(5x2 - xy - y2) + (x2 + 11xy + 8y2)
A. 5x2 + 11xy + 8y2 B. 6x2 + 12xy + 9y2 C. 4x2 - 12xy - 9y2 D. 6x2 + 10xy + 7y2
Mathematics