Provide an appropriate response.Find a quadratic equation having the given solutions.x = - 
or x = - 
A. 7x2 - 11x - 30 = 0
B. 7x2 + 11x + 30 = 0
C. 49x2 - 77x + 30 = 0
D. 49x2 + 77x + 30 = 0
Answer: D
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The graph of a one-to-one function f is given. Sketch the graph of the inverse function f-1, on the same set of axes. Use a dashed line for the inverse.
A. 
B. 
C. 
D. 
Solve the problem.Dmitri needs 6 liters of a 14% solution of sulfuric acid for a research project in molecular biology. He has two supplies of sulfuric acid solution: one is an unlimited supply of the 18% solution and the other an unlimited supply of the 12% solution. How many liters of each solution should Dmitri use?
A. 1.5 L of 18% solution; 4.5 L of 12% solution B. 2 L of 18% solution; 4 L of 12% solution C. 4 L of 18% solution; 2 L of 12% solution D. 2.5 L of 18% solution; 3.5 L of 12% solution
Simplify the expression.6251/2
A. 12.5 B. 50 C. 25 D. 100
Write a matrix equation equivalent to the system of equations. 10w + 5x - 2y - z = -10 5w - 6x + 11y - z = -5-11w - 5x - y - 5z = 6 w - 10x - 4y + 6z = 11
A. 
= 
B. 
= 
C. 
= 
D. 
= 