Find the discriminant. Then use it to determine the number and type of solutions to the quadratic equation. Do not solve the equation.0 = -24x - 16x2 - 9
A. 0; two real solutions
B. 0; one real solution
C. -1152; two non-real solutions
D. 1152; one real solution
Answer: B
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Which of the following transformations maps an isosceles trapezoid onto itself?
a) A 180° rotation around the point of intersection of the diagonals (b) A reflection with respect to the midsegment of the trapezoid (c) A 90° rotation around a base vertex (d) A reflection with respect to the perpendicular bisector of a base (e) All of these are correct.
Solve the equation for the specified variable.S = 2?rh + 2?r2 for h
A. h = 2?(S - r)
B. h = 
- 1
C. h = S - r
D. h = 
Solve the problem.A manufacturer produces two items, A and B. A maximum of 2000 units can be produced per day. The cost is $3 per unit for A and $5 per unit for B. The daily production budget is $7500. If the manufacturer makes a profit of $1.75 per unit for A and $2.50 per unit for B, how many units of each should be produced to maximize profit?
What will be an ideal response?
Solve the problem.The perimeter of a rectangle is 42 inches and its area is 104 square inches. What are its dimensions?
A. 9 in. by 12 in. B. 7 in. by 12 in. C. 8 in. by 13 in. D. 7 in. by 14 in.