Determine one solution of the quadratic equation numerically.5x2 - 9x = 18
A. x ? 4
B. x ? 2
C. x ? 5
D. x ? 3
Answer: D
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Find the volume of the indicated region.the region bounded by the paraboloid 
and the plane 
A. 128?
B. 64?
C. 
?
D. 
?
Answer the question.Suppose that a problem asks you to find the height of a triangle, and that the problem leads to a quadratic equation. If h represents the height of the triangle, which of the following solutions to the equation cannot be an answer to the problem?
A. h = 
B. h = 1 - 
C. h = 1 + 
D. h = 
Solve the system of equations using substitution.
A. x = -5, y = 0 or (-5, 0) B. x = -4, y = 2; x = 4, y = 18 or (-4, 2), (4, 18) C. x = -4, y = 2 or (-4, 2) D. x = 0, y = 10; x = 0, y = 26 or (0, 10), (0, 26)
Write the phrase as a variable expression. Use x to represent "a number."4 less than 9 times a number
A. 4x - 9 B. 9x - 4 C. 4 - 9x D. 9 - 4x