Use the discriminant to determine the number and type of solutions of the equation.3 - 7x2 = 8x + 5
A. two real solutions
B. two complex but not real solutions
C. one real solution
Answer: A
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Name the property illustrated by the sentence.6(mn) = (6m)n
A. Commutative property of multiplication B. Multiplicative identity property C. Multiplicative inverse property D. Associative property of multiplication
Provide an appropriate response.The payoff table for three possible courses of action A1, A2, and A3 is given below.pi?A1xi?A2xi?A3xi?.3$70$40$50.2$100$120$110.1$160$140$90.4$80$140$160Which course of action will produce the largest expected value? What is it?
What will be an ideal response?
Write an equivalent statement using the given property.Associative property of addition; (2 + 7) + 7 = 
A. (7 + 7) + 2 B. 2 + (7 + 7) C. (7 + 2) + 7 D. (7 ? 2) ? 7
Solve the problem.A piece of cardboard is twice as long as it is wide. It is to be made into a box with an open top by cutting 2 cm squares from each corner and folding up the sides. Let x represent the width of the original piece of cardboard. Find the width of the original piece of cardboard, x, if the volume of the box is 2300 cm3.
A. 23 cm B. 28 cm C. 26 cm D. 27 cm