Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: A
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Determine whether it is true or false that the described rigid movement(s) will produce a figure with symmetry to the figure shown.Rotate 180°
A. True B. False
Find the maximum rate of change of f(x,y) = xy² +?y at the point (2, 1). In what direction does it occur?
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Solve the problem.
The graph models the average amount spent annually on entertainment per household in Country X from 1981 to 1987. (i) Find the slope of the line. (ii) Find a point-slope form for the line. (Answers may vary.)
A. Slope is 675; point-slope form is y = 675(x - 1982) + 1500. B. Slope is 825; point-slope form is y = 825(x - 1984) + 2850. C. Slope is 375; point-slope form is y = 375(x - 1982) + 1500. D. Slope is 525; point-slope form is y = 525(x - 1984) + 2850.
Factor when possible.x2 - 4xy - 21y2
A. (x - 3y)(x + y) B. (x + 3y)(x - 7y) C. (x - 3y)(x + 7y) D. Prime