Provide an appropriate response.At the two points where the curve x2 + 2xy + y2 = 25 crosses the x-axis, the tangent lines to the curve are parallel. What is the common slope of these tangent lines?
A. -5
B. 
C. 1
D. -1
Answer: D
Mathematics
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Replace the ? by < or >.-1 ? - 10
A. < B. >
Mathematics
Use even and odd properties of the trigonometric functions to find the exact value of the expression.cos 
A. 
B. 
C. - 
D. - 
Mathematics
Collect like terms.3x7 - 
x + 9x4 + 
x + 5x7
A. 17x18 - 
x
B. 17x4 + 
x
C. 8x7 + 9x4 + 
x
D. 8x7 + 9x4 - 
x
Mathematics
Factor completely. If the polynomial is prime, state so.216p3 + q3
A. (6p + q)(36p2 - 6pq + q2) B. (6p + q)(36p2 + q2) C. (6p + q)(36p2 - 6pq - q2) D. (6p + q)(36p2 + 6pq + q2)
Mathematics