?Use the Principal Axes Theorem to perform a rotation of axes to eliminate the xy-term in the quadratic equation 
. Identify the resulting rotated conic and give its equation in the new coordinate system.
?
A. ?Ellipse; 
B. ?Hyperbola; 
C. ?Ellipse; 
D. ?Hyperbola; 
E. ?Ellipse; 
Answer: B
Mathematics
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Give the appropriate counting number answer to the problem.An appliance store sells 56 refrigerators a week. Without finding the exact amount, calculate the total amount of money the store makes in a week if each refrigerator costs $919.
A. $54,000 B. $50,000 C. $45,000 D. $60,000
Mathematics
Simplify the algebraic expression.-4(2x - 9) - 4x + 6
A. -12x - 30 B. 4x + 42 C. 12x + 42 D. -12x + 42
Mathematics
Complete the table for the given values of x. Then use the table to solve the given equation numerically.2 + (2x - 3) = -3 
What will be an ideal response?
Mathematics
Use f(x) to complete the table for f-1(x).f(x) = 10x
A. 
B. 
C. 
D. 
Mathematics