Solve the system of equations.x2 + y2 = 40x2 - y2 = 32
A. (6, 2), (2, 6), (-6, -2), (-2, -6)
B. (6, -2), (6, 2)
C. (6, 2), (-6, 2), (6, -2), (-6, -2)
D. (-6, -2), (-2, -6)
Answer: C
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Decide whether or not the matrices are inverses of each other.
and 
A. Yes B. No
Solve the problem.Determinants are used to show that three points lie on the same line (are collinear). If 
= 0,then the points (x1, y1), (x2, y2), and (x3, y3) are collinear. If the determinant does not equal 0, then the points are not collinear. Are the points 
, 
, and
collinear?
A. Yes B. No
Use exponent(s) to write the expression in a simpler form.
?
?
A. 
B. 
C. 
D. 
E. 
Without solving for the undetermined coefficients, the correct form of a particular solution of the differential equation 
is
Select the correct answer.
?
A. 
B. 
C. 
D. 
E. 