Identify the equation as either an identity or not.
= 2 cos 2x
A. Not an identity
B. Identity
Answer: A
Mathematics
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Find the equation of the normal line to the indicated curve at the given point.x2 - y2 = 40 at (-7, 3)
A. 3x - 7y - 42 = 0 B. 3x + 7y - 42 = 0 C. 3x - 7y + 42 = 0 D. 3x + 7y + 42 = 0
Mathematics
- 
= 5
A. 150 B. -75 C. 75 D. -150
Mathematics
Factor out the GCF from the polynomial.55x - 11
A. 11(5x - 1) B. 11x(5x - 1) C. 11(x - 5) D. 11x(5 - 1)
Mathematics
Provide an appropriate response.What property of real numbers justifies the method of multiplying by the LCD of the parts? Why?
What will be an ideal response?
Mathematics