Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.-4x + 8y = -12 2x + 4y = 6
A. (-2y, y)
B. (3, 0)
C. (3, 1)
D. No solution
Answer: B
Mathematics
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Find the first four terms of the binomial series for the given function.
-2
A. 1 - 
x + 
x2 - 
x3
B. 1 - 
x + 
x2 - 
x3
C. 1 - 
x + 
x2 - 
x3
D. 1 - 
x + 
x2 - 
x3
Mathematics
Solve.
= 
A. x = 9
B. x = 10
C. x = 4
D. x = 9
Mathematics
Solve the system of equations using substitution.
A. x = 12, y = -5; x = 5, y = -12 or (12, -5), (5, -12) B. x = -12, y = -5; x = -5, y = -12 or (-12, -5), (-5, -12) C. x = -12, y = 5; x = -5, y = 12 or (-12, 5), (-5, 12) D. x = 12, y = 5; x = 5, y = 12 or (12, 5), (5, 12)
Mathematics
Prove the identity.tan 2 u (1 + cos 2u) = 1 - cos 2u
What will be an ideal response?
Mathematics