Find the standard form of the equation of the ellipse satisfying the given conditions.Foci: (-3, 0), (3, 0); vertices: (-7, 0), (7, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Solve for x.4-2x + 6 = 1
A. x = -3 B. x = 0.25 C. x = 5 D. x = 3
Mathematics
Use the given information to find the exact value of the trigonometric function.cos ? = - 
; The terminal side of ? lies in Quadrant III.
Find cos 
.
A. 
B. - 
C. - 
D. 
Mathematics
Establish the identity.sin
= -cos ?
What will be an ideal response?
Mathematics
Graph the polar equation.r = csc ? - 2, 0 < ? < ? 
A. 
B. 
C. 
D. 
Mathematics