Rotate the coordinate axes through an acute angle ? such that the new equation in x' and y' has no x'y'-term.x2 + 2xy + y2 + 4
x - 4
y = 0
A. 
+ 
= 1
B. 4x' = y'2
C. y' = 
D. 
+ 
= 1
Answer: C
Mathematics
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Find the exact length of the line segment shown int he figure. Approximate this length to two decimal places when appropriate.
A. 10
B. 11
C. 
? 8.89
D. 
? 9.22
Mathematics
Find the limit.
A. 
B. 
C. 
D. Does not exist
Mathematics
Find the slope of the line.
A. 0 B. 2 C. -2 D. Undefined
Mathematics
Use a graphing calculator to graph the ellipse.
+ 
= 1
A. y = ±
B. y = ±
C. y = ±
D. y = ±
Mathematics