Solve equation using quadratic formula.x2 - x = 12
A. 1, 12
B. -3, 4
C. -3, -4
D. 3, 4
Answer: B
Mathematics
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At what points is the given function continuous?f(x, y, z) = ln(x + y + z - 8)
A. All (x, y, z) such that x + y + z ? 8 B. All (x, y, z) such that x + y + z > 8 C. All (x, y, z) D. All (x, y, z) in the first octant
Mathematics
Perform the indicated operations.(x - 5)(-4x - 10)
A. -4x2 + 8x + 50 B. -4x2 + 10x + 50 C. -4x2 + 50x + 10 D. -4x2 + 10x + 10
Mathematics
Find an equation for the line with the given properties.Perpendicular to the line -8x + 9y = 9; containing the point (9, 0)
A. 9x + 8y = 81 B. 9x - 8y = 81 C. 9x - 8y = 9 D. -8x - 9y = 81
Mathematics
Change to a percent.
A. 454
%
B. 
%
C. 45
%
D. 2
%
Mathematics