Solve the system analytically. x - y + 4z = -33x + z = 0 x + 5y + z = 15
A. {(0, 3, 0)}
B. ?
C. {(0, 3, -3)}
D. {(0, 0, 3)}
Answer: A
Mathematics
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Determine the quadrant(s) in which (x, y) is located so that the condition(s) is (are) satisfied. ? x> 3 and y = 1 ?
A. Quadrant III B. Quadrant I C. Quadrant III and IV D. Quadrant II E. Quadrant IV
Mathematics
Solve for x: antilog -1 = x.
A. 0.1 B. -0.1 C. -1 D. 10
Mathematics
Find the slope and y-intercept of the line.9x + y = -10
A. slope = 9; y-intercept = -10
B. slope = - 
; y-intercept = - 
C. slope = -9; y-intercept = -10
D. slope = - 
; y-intercept = - 
Mathematics
Find the largest open intervals where the function is concave upward.f(x) = 
A. (-?, -2) B. (-?, ?) C. (-2, ?) D. None
Mathematics