Solve the problem.The line that is normal to the curve x2 - xy + y2 = 4 at (2, 2) intersects the curve at what other point?
A. (-2, -2)
B. (-4, -4)
C. (0, -2)
D. (-2, 0)
Answer: A
Mathematics
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Multiply and simplify.
? 
A. - 
B. 
C. 
D. -12
Mathematics
Use a graphing calculator to solve the equation. Round your answer to two decimal places.log3 x + log2 x = 4
A. {6.64} B. {1.53} C. {5.47} D. {0.74}
Mathematics
Provide an appropriate response.Explain the error in the following: x2 + 2x - 15 = (x - 5)(x + 3)
What will be an ideal response?
Mathematics
?Write the system of linear equations as a matrix equation AX = B, and use Gauss-Jordan elimination on the augmented matrix 
to solve for the matrix X.
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics