Solve.x - 
= 4
A. 9
B. 2, 9
C. 1, 2
D. -1
Answer: A
Mathematics
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Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. x - 2y + 3z = 114x + y - z = 42x - y + 3z = 10
A. (2, 3, 5) B. (2, -3, 1) C. (-2, -3, 3) D. No solution
Mathematics
Find the slope and the y-intercept of the line with the given equation.f(x) = 1.6 - x
A. -1; (0, 1.6) B. 1.6; (0, -1) C. 1; (0, 1.6) D. -1; (1.6, 0)
Mathematics
Match the equation to the correct graph.y = -(x + 7)2 + 3
A. 
B. 
C. 
D. 
Mathematics
Graph the inequality.5x + y ? 4
A. 
B. 
C. 
D. 
Mathematics