Find an equation for the ellipse described.Center (0, 0); major axis horizontal with length 16; length of minor axis is 14
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
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Suppose that y is directly proportional to x. Use the given information to find the constant of proportionality k. Then use y = kx to find y for the given value of x.y = 39 when x = 6;
Find y given x = 12.
A. k = 6.5; y = 78
B. k = 6.5; y = 90
C. k = 234; y = 
D. k = 6.25; y = 75
Find the indicated intersection or union.{q, s, u, v, w, x} ? ?
A. {q} B. {q, s, u, v, w, x} C. ? D. {q, s, u, v, w}
Solve the system. 7x + 4y - z = 64 x - 3y - 8z = -13 9x + y + z = 68
A. ? B. {(7, 4, 1)} C. {(-7, 4, 14)} D. {(7, 1, 4)}
Translate the sentence to an equation and then solve.A number g increased by two is negative fourteen.
A. 2 + g = -14; 16 B. g + 2 = -14; -16 C. g - 14 = 2; 16 D. 2 + g = -14; -12