Provide an appropriate response.For a certain system of two linear equations, the solution set is {-3, -10}, and 
Find the values of Dx and Dy.
A. Dx = -81; Dy = -270
B. Dx = -3; Dy = -10
C. Dx = - 
; Dy = - 
D. Dx = -270; Dy = -81
Answer: A
Mathematics
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?The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
?
What will be an ideal response?
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Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 - 2x
A. 1; 
2
B. 1; 
2
C. 0; 
2
D. 1; 
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Solve the equation.
+ 5 = x
A. {9, 18} B. {2} C. {9} D. {2, 9}
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