Solve the system by the addition method.y2 + 3x2 = 17y2 - x2 = 1
A. (3, 
), (3, -
), (-3, 
), (-3, -
)
B. (3, 
), (3, -
)
C. (2, 
), (2, -
), (-2, 
), (-2, -
)
D. (2, 
), (2, -
)
Answer: C
Mathematics
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Simplify the expression.(14b)0
A. 1 B. 0 C. 14 D. b
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Simplify. Assume that variables can represent any real number.
A. 81
y2
B. 3
C. 3xy2
D. 3
y2
Mathematics
Using the factoring method, solve for the roots of the quadratic equation.9x2 - 42x = 0
A. x = 
, x = 42
B. x = 0
C. x = 
D. x = 
, x = 0
Mathematics
Solve the application problem.If the cost, C, for manufacturing x units of a certain product is given by 
, find the number of units manufactured at a cost of $5400.
A. 60 units B. 30 units C. 40 units D. 70 units
Mathematics