Solve the equation by completing the square.(x + 4)(x - 2) = 7
A. {-3, 5}
B. {3 ± 
}
C. {-5, 3}
D. {-5 ± 
}
Answer: C
Mathematics
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Solve the problem.The accompanying figure shows the graph of y = x2 shifted to a new position. Write the equation for the new graph.
A. y = (x - 5)2 B. y = x2 - 5 C. y = x2 + 5 D. y = (x + 5)2
Mathematics
Solve the logarithmic equation symbolically.7 ln x = 3
A. x = 
B. x = e3/7
C. x = 21e
D. x = e-4
Mathematics
Write the standard form of the equation of the circle with radius r and center (h, k).r = 
; (h, k) = (-6, -4)
A. (x + 4)2 + (y + 6)2 = 225 B. (x + 6)2 + (y + 4)2 = 15 C. (x - 6)2 + (y - 4)2 = 15 D. (x - 4)2 + (y - 6)2 = 225
Mathematics
Evaluate the iterated integral.  figures 4.png)
a. 85 b. 80 c. 100 d. 110 e. 90
Mathematics