Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, give the solution with y arbitrary. 5x - 2y = 2-10x + 4y = -6
A. ?
B. {(-2, -2)}
C. 
D. {(2, -6)}
Answer: A
Mathematics
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Find the equation that the given graph represents.
A. P(x) = 2x6 + 9x3 - 7x2 + 4x - 16 B. P(x) = -2x5 + 7x4 + 9x3 - 40x2 + 4x + 16 C. P(x) = -x6 + 7x5 - x2 - 2x + 16 D. P(x) = x5 + 7x4 - x3 - 40x2 + 2x + 16
Mathematics
Multiply.(-1)(11)
A. 11 B. 1 C. -1 D. -11
Mathematics
Let x be a number. Translate the English phrase into a mathematical expression.-81 increased by a number
A. x + 81 B. -81x C. -81 ÷ x D. -81 + x
Mathematics
Solve the equation.
- 2 = x
A. 
B. 
C. 
D. 
Mathematics