Combine like terms.5x2 - 7xy + 6y2 - 8x2 - xy

A. -3x2 - 6xy + 6y2
B. -3x2 - 8xy + 6y2
C. 3x2 - 8xy
D. 3x2 - 8xy + 6y2


Answer: B

Mathematics

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Solve the problem.Three people build a rectangular shed 6 ft wide, 4 ft long, and 5 ft high. About how many ft3 does the shed contain?

A. 74 ft3 B. 15 ft3 C. 120 ft3 D. 720 ft3

Mathematics

Use the Leading Coefficient Test to determine the end behavior of the polynomial function.f(x) = -2x4 + 3x3 - 4x2 - 4x - 5

A. rises to the left and falls to the right B. falls to the left and rises to the right C. rises to the left and rises to the right D. falls to the left and falls to the right

Mathematics

Solve the equation by completing the square.x2 + 26 = -12x

A. {6 - , 6 + }
B. {-12 + }
C. {6 + }
D. {-6 - , -6 + }

Mathematics

Find the exact values of the remaining trigonometric functions of ? from the given information.cot ? = - , ? in quadrant IV

A. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
B. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
C. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
D. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 

Mathematics