Identify the conic by writing the equation in standard form.
A. 
; ellipse
B. 
; ellipse
C. 
; circle
D. 
; circle
E. 
; circle
Answer: E
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(4x + 11)(x + 3)
A. x2 + 23x + 22 B. 4x2 + 22x + 33 C. 4x2 + 23x + 33 D. x2 + 33x + 23
Solve the problem.A railroad tunnel is shaped like a semiellipse. The height of the tunnel at the center is 25 ft and the vertical clearance must be 
at a point 
from the center. Find an equation for the ellipse. 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the problem.An employee was paid $20,625 during the first half of last year. During the second half he was paid $40,858. How much more was his income during the second half?
A. $61,473 B. $20,233 C. $20,223 D. $61,483
Perform the indicated operations. Write the resulting polynomial in standard form.3x(12x + 5)
A. 12x2 + 15x B. 36x2 + 5x C. 51x2 D. 36x2 + 15x