Solve using elimination.
A. x= 1, y = 3; x = 1, y = -3; x = -1, y = 3; x = -1, y = -3
or (1, 3), (1, -3), (-2, 3), (-2, -3)
B. x = 2, y = 3; x = 2, y = -3; x = -2, y = 3; x = -2, y = -3
or (2, 3), (2, -3), (-2, 3), (-2, -3)
C. x = 2, y = -3; x = -2, y = 3 or (2, -3), (-2, 3)
D. x = 1, y = 3; x = -1, y= -3 or (1, 3), (-1, -3)
Answer: B
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A. 2
B. 128
C. 16,384x3
D. 16,384
Find the standard form of the equation of the hyperbola satisfying the given conditions.Foci: (-5, 0), (5, 0); vertices: (-2, 0), (2, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Find the value of the exponential expression.33
A. 27 B. 33 C. 9 D. 2
Solve the problem.List all the ordered arrangements of 6 objects a, b, c, d, e, and f choosing 2 at a time without repetition. What is P(6, 2)?
A. aa, ab, ac, ad, ae, af, ba, bb, bc, bd, be, bf, ca, cb, cc, cd, ce, cf, da, db, dc, dd, de, df, ea, eb, ec, ed, ee, ef, fa, fb, fc, fd, fe, ff P(6, 2) = 36 B. ab, ac, ad, ae, af, ba, bc, bd, be, bf, ca, cb, cd, ce, cf, da, db, dc, de, df, ea, eb, ec, ed, ef P(6, 2) = 25 C. ab, ac, ad, ae, af, ba, bc, bd, be, bf, ca, cb, cd, ce, cf, da, db, dc, de, df, ea, eb, ec, ed, ef, fa, fb, fc, fd, fe P(6, 2) = 30 D. ab, ac, ad, ae, af, bc, bd, be, bf, cd, ce, cf, de, df, ef P(6, 2) = 15