Use ZERO (or ROOT) to find the solutions to the equation. Round to two decimal places.x2 + 6x - 10 = 0
A. x = 1.53, -7.19
B. x = 1.53, -7.22
C. x = 1.5, -7.19
D. x = 1.36, -7.36
Answer: D
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A. -9.3 B. -3.9 C. 3.9 D. 9.3
Find the square root.
A. 6 B. -18 C. not a real number D. -6
Evaluate the expression for the given value or values.
, for y = -18, z = -9
A. -2
B. 
C. - 
D. 2
Solve the problem.A box with an open top is formed by cutting squares out of the corners of a rectangular piece of cardboard and then folding up the sides. If x represents the length of the side of the square cut from each corner, and if the original piece of cardboard is 10 inches by 7 inches, what size square must be cut if the volume of the box is to be 40 cubic inches? 
A. 5 in. by 5 in. square B. 2 in. by 2 in. square C. 1 in. by 1 in. square D. 8 in. by 8 in. square