Find the center of the ellipse.2x2 + 3y2 - 20x + 36y + 152 = 0
A. (-5, 6)
B. (6, -5)
C. (-6, 5)
D. (5, -6)
Answer: D
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The area of a triangular sheet of paper is 11 square inches. One side of the triangle is 5 inches more than three times the length of the altitude to that side. Find the length of that side and the altitude to the side.
A. an altitude of 11 inches, a side of 21 inches long B. an altitude of 2 inches, a side of 11 inches long C. an altitude of 1 inches, a side of 11 inches long D. an altitude of 11 inches, a side of 2 inches long E. none of these
Use the given figure to find its area in square units.
A. 6 square units B. 9 square units C. 3 square units D. 4.5 square units
Write the phrase as a mathematical expression. Use x as the variable.The sum of 5.53 and x
A. 5.53x B. 5.53 + x C. 5.53 - x D. 5.53
Solve the quadratic equation by any method. Express complex numbers in standard form.16x2 + 1 = 3x
A. 
B. 
C. 
D. 