Tell whether the parabolic graph of the equation opens up, down, to the left, or to the right.
?
?
A. opens down
B. opens up
C. opens to the right
D. opens to the left
Answer: D
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Write as a sum or difference of logarithms. Your results should not contain any exponents or radicals.log 8 6x
A. log 8 6 - log 8 x B. log 8 6 + log 8 x C. log 4 6 + log 4 x D. log 4 6 - log 4 x
Write a system of inequalities that describes the possible solutions to the problem.Matt is going to invest no more than $4000 into two accounts earning 2% and 4% simple interest. He would like the accounts to earn at least 
after one year. He wants to invest less than 
in the account earning 4% simple interest. Write a system of inequalities to describe this situation and solve by graphing.
A. x + y ? 4000 0.02x + 0.04y ? 80 x ? 0 y ? 1000 B. x - y ? 4000 0.02x + 0.04y ? 80 x ? 0 y ? 0 C. x + y ? 80 0.02x + 0.04y ? 4000 x > 0 y ? 0 D. 0.02x + 0.04y - 80 ? 4000 x ? 0 y ? 0
Solve the problem.Sue buys a house which has a rectangular yard measuring 14.9 meters by 15.6 meters. In one corner of the yard is a rectangular shed measuring 3.5 meters by 2.9 meters. Sue intends to grow grass in the whole of the yard. What is the area of the yard excluding the shed?
A. 3.5 m2 B. 2222.9 m2 C. 232.44 m2 D. 222.29 m2
Find the center, transverse axis, vertices, foci, and the equations of the asymptotes of the hyperbola.4x2 - 36y2 = 144
A. center: (0, 0)
transverse axis: y = 0
vertices: (-6, 0), (6, 0)
foci: (-2
, 0), (2
, 0)
asymptotes: y = - 
x and y = 
x
B. center: (0, 0)
transverse axis: y = 0
vertices: (0, -6), (0, 6)
foci: (0, -2
), (0, 2
)
asymptotes: y = - 
x and y = 
x
C. center: (0, 0)
transverse axis: y = 0
vertices: (-2, 0), (2, 0)
foci: (-2
, 0), (2
, 0)
asymptotes: y = - 
x and y = 
x
D. center: (0, 0)
transverse axis: y = 0
vertices: (-6, 0), (6, 0)
foci: (-4
, 0), (4
, 0)
asymptotes: y = - 
x and y = 
x