Find the standard form of the equation for the ellipse satisfying the given conditions. Foci (0, ±6); x-intercepts ±8
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
Mathematics
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Solve the equation.
= 
+ 4
A. -5 B. no solution C. 5 D. 5, -5
Mathematics
Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a10 when a = 6, r = -2.
A. -12 B. 6144 C. -3072 D. -3068
Mathematics
Solve.-5a = 35
A. -7 B. 40 C. 1 D. -40
Mathematics
Solve the system of linear equations.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics