Provide an appropriate response.Arrange the quadratic equation is standard form: 0.2x2 + 0.7x = 3
A. 0.2x2 + 0.7x - 3 = 0
B. 3 - 0.2x2 - 0.7 = 0
C. 0.7x + 0.2x2 - 3 = 0
D. 0.2x2 + 0.7x + 3 = 0
Answer: A
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Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. s2 - 3s - 18 < 0
A. (-3, 6)
B. (6, ?)
C. (-?, -3)
D. (-?, -3) ? (6, ?)
Solve the problem.A rectangular piece of cardboard measuring 27 inches by 44 inches is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each such square. What is the maximum volume of this box? If necessary, round to 2 decimal places.
A. 1300.32 in.3 B. 137.63 in.3 C. 48,536.27 in.3 D. 2904.4 in.3
Solve the problem.If (a, 3) is a point on the graph of y = 2x - 5, what is a?
A. -1 B. 4 C. 1 D. -4
Provide an appropriate response.For any augmented matrix of a system of linear equations, which of the following row transformations will not necessarily result in a matrix of an equivalent system?(i)Adding to the elements of any row a multiple of the corresponding elements of another row.(ii)Interchanging any two columns.(iii)Multiplying the elements of any row by the corresponding elements of another row.(iv)Multiplying the elements of any row by any nonzero number.
A. (ii) B. (ii), (iii) C. (ii), (iii), (iv) D. (i), (iv)