Find the dimension of the matrix.
A. -8, -3, -3
B. 3
C. 3 × 1
D. 1 × 3
Answer: D
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Solve the following quadratic equation by completing the square. Make sure your answer is simplified completely. If there are no real solutions, so state.3x2 + 24x + 27 = 0
A. x = 4 - 
or x = 4 + 
B. x = -4 + 
C. no real solutions
D. x = -4 - 
or x = -4 + 
Below are the lengths of the sides of a triangle. Which is a right triangle?
A. 6, 4, 5 B. 6, 4, 6 C. 6, 8, 10 D. 7, 4, 6 E. none of these
Compute the definite integral as the limit of Riemann sums.
dx
A. 
B. 27
C. 0
D. 
Translate the situation into mathematical language. You need not actually solve the problem.A piece of wire 124 in. long is to be cut into two pieces, and those pieces are each to be bent to make a square. The area of one square is to be 225 in.2 greater than that of the other. How should the wire be cut?
A. Let x be the length of one piece of wire; x
= 225
B. Let x be the length of one piece of wire; 
2 + 
2 = 225
C. Let x be the length of one piece of wire; 
2 - 
2 = 225
D. Let x be the length of one piece of wire; 
2 - 
2 = 225