Simplify the expression.
A. a2 + ab + b2
B. a - b
C. a2 + b2
D. a2 - ab + b2
Answer: D
Mathematics
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Graph the equation. Include the coordinates of any local extreme points and inflection points.y = 9x2 + 54x
A. local minimum: (-6,-54)
no inflection points
B. local minimum: (3,-81)
no inflection points
C. local minimum: (-3,-81)
no inflection points
D. local minimum: (6,-54)
no inflection points
Mathematics
Solve the equation by using the square root property. Express any complex numbers using i notation.2x2 = 26
A. x = ± 13
B. x = ±
C. x = 14
D. x = 13
Mathematics
Find the sum of the arithmetic sequence.(-6) + (-1) + 4 + 9 + ... + 39
A. 160 B. 165 C. 170 D. 330
Mathematics
Find the integral using the indicated substitution.
Mathematics