Determine the constant term that must be added to the expression to make it a perfect square.x2 + 
x
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.Explain how (p + q)2 differs from p2 + q2 by expanding (p + q)2.
What will be an ideal response?
Mathematics
Solve by the quadratic formula. If there are no real roots, say so.
d2 - d + 
= 0
A. No real solution
B. d = 
C. d = 
D. d = 
, d = 
Mathematics
Use a calculator to solve the equation on the interval [0, 2?). Round the answer to two decimal places.cos x = 0.76
A. 0.71, 2.28 B. 0.71, 3.85 C. 0.71, 5.57 D. 0.71, 2.43
Mathematics
Determine the x values that cause the function to be (a) zero, (b) undefined, (c) positive, and (d) negative.f(x) = 
A. (a) ?, (b) (-?, 3), (c) ?, (d) (3, ?)
B. (a) 
, (b) {-1, 3} , (c) 
? 
, (d) (-?, -1) ? 
C. (a) 
, (b) {-1, 3} , (c) (-?, -1) ? 
, (d) 
? 
D. (a) ?, (b) (-?, 3), (c) (3, ?), (d) ?
Mathematics