Identify the equation as either an identity or not.cos2x - sin2x = 1 - 2 sin2x
A. Identity
B. Not an identity
Answer: A
Mathematics
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Solve.Find the distance d(P1, P2) between points P1 = (7, -7) and P2 = (3, -5).
A. 2
B. 12
C. 12
D. 6
Mathematics
Solve the compound inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.-1 < x - 1 ? 4
A. [0, 5)
B. [-2, 3)
C. (0, 5]
D. (-2, 3]
Mathematics
Simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.If you graphed x > 3, would you use a parenthesis or a square bracket? Explain why.
What will be an ideal response?
Mathematics