Rotate the axes so that the new equation contains no xy-term. Graph the new equation.31x2 + 10
xy + 21y2 -144 = 0
A. 
B. 
Answer: A
Mathematics
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Use the Reduction Property to simplify the expression.
A. 
B. 
C. 
D. 
Mathematics
Decide if the number is rational or irrational.
A. Irrational B. Rational
Mathematics
Find an equation of variation in which y varies inversely as x and the following is true.y = 0.8, when x = 0.5
A. y = 
B. y = 
C. y = 
D. y = 1.6x
Mathematics
Determine whether the statement below is true or false.
?
If the marginal profit function is positive at 
, then it makes sense to increase the level of production.
What will be an ideal response?
Mathematics