Simplify the expression 
as much as possible after substituting 
for x.
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: C
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Graph the equation.
+ 
= 1
A. 
B. 
C. 
D. 
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.x2 - 25y2 - 8x - 100y - 109 = 0
A. center at (4, -2)
transverse axis is parallel to x-axis
vertices at (-1, -2) and (9, -2)
foci at (4 - 
, -2) and (4 + 
, -2)
asymptotes of y + 2 = - 
(x - 4) and y + 2 = 
(x - 4)
B. center at (4, -2)
transverse axis is parallel to x-axis
vertices at (3, -2) and (5, -2)
foci at (4 - 
, -2) and (4 + 
, -2)
asymptotes of y + 2 = - 5(x - 4) and y + 2 = 5(x - 4)
C. center at (-2, 4)
transverse axis is parallel to x-axis
vertices at (-7, 4) and (3, 4)
foci at (-2 - 
, 4) and (-2 + 
, 4)
asymptotes of y - 4 = - 
(x + 2) and y - 4 = 
(x + 2)
D. center at (4, -2)
transverse axis is parallel to y-axis
vertices at (4, -7) and (4, 3)
foci at (4, -2 - 
) and (4, -2 + 
)
asymptotes of y - 2 = - 5(x + 4) and y - 2 = 5(x + 4)
Decide whether or not the set is closed under multiplication.{1, 32, 33, 34, . . .}
A. Not closed B. Closed
Write the number in scientific notation.Light with a wavelength of 0.00000055 meters is green in color
A. 5.5 × 10-8 B. 5.5 × 10-6 C. 5.5 × 10-7 D. 5.5 × 107