Verify the identity.
= 
What will be an ideal response?
=
?
=
=
=
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Provide an appropriate response.The process of amortization includes which of the following?
A. a specific length of time B. equal payments C. variable rates D. both equal payments and a specific length of time
Combine like terms.x - 3y + 9 - 5x + 7y - 7
A. 6x + 4y - 2 B. -4x - 4y + 2 C. -4x + 4y + 2 D. 4x + 4y + 2
Evaluate the expression.
?
?
A.
B.
C.
D.
E.
Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.x2 + xy + y2 - 3y - 6 = 0
A. ? = 45°
y'2 = -18x'
parabola
vertex at (0, 0)
focus at (- , 0)
B. ? = 45° -
= 1
hyperbola
center at (0, 0)
transverse axis is the x'-axis
vertices at (±, 0)
C. ? = 45° +
= 1
ellipse
center at (,
)
major axis is y'-axis
vertices at (, -
) and (
,
)
D. ? = 45° +
= 1
ellipse
center at (0, 0)
major axis is y'-axis
vertices at (0, ±2)