Find the focus and directrix of the parabola with the given equation.y2 = 36x
A. Focus: (0, -9), directrix: y = 9
B. Focus: (0, 9), directrix: y = -9
C. Focus: (9, 0), directrix: x = -9
D. Focus: (-9, 0), directrix: x = 9
Answer: C
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The graph of 
is given in the figure. State whether 
or 
A. a > 0 B. a < 0
Solve.A box is constructed by cutting out square corners of a rectangular piece of cardboard and folding up the sides. If the cutout corners have sides with length x, then the volume of the box is given by the polynomial 
Factor out the greatest common factor for this expression.
A. 4x(x2 - 18x + 45) B. 4(x3 - 18x2 + 45x) C. 4x(x2 + 18x + 45) D. 2x(2x2 - 36x + 90)
A cubic centimeter (cc) is the amount of space that a volume of 1 ml occupies. Because of this, we say that 1 cc = 1 ml. A common syringe is one with a capacity of 3 cc. Use the diagram below to find the indicated measurement.
B
A. 0.12 cc B. 0.012 cc C. 12 cc D. 1.2 cc
Use Gaussian elimination to solve the linear system by finding an equivalent system in triangular form.
A. no solution B. (-3, 1, -2) C. (-3, -2, 1) D. (-2, 1, -3)