Evaluate the algebraic expression for the indicated variable.-4x2 + 4y2  for x = 3, y = -2

A. -52
B. -20
C. 4
D. -44


Answer: B

Mathematics

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Provide an appropriate response.Which of the statements below is true?A: If (r1, ?1) and (r2, ?2) represent the same point in polar coordinates, then B: If (r1, ?1) and (r2, ?2) represent the same point in polar coordinates, then  for some integer n.

A. A only B. Neither A nor B C. Both A and B D. B only

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Write the augmented matrix for the system.7x - 2y = 299x + 4y = 57

A.  
B.
C.
D.

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Use factoring to solve the equation.9m2 - 8m = 0

A. , -  
B. , 0
C. - , 0
D. 0

Mathematics

Determine whether the function is one-to-one. 

A. yes B. no

Mathematics