Find the coordinates of the points that are 5 units away from the origin and have a y-coordinate equal to -3.
What will be an ideal response?
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Solve the system by the elimination method or a combination of the elimination and substitution methods.x2 + 4xy + 2y2 = 1 x2 - 4xy - 2y2 = 1
A. {(1, 0), (-1, 0), (1, -2), (-1, 2)} B. {(1, 1), (-1, -1), (1, -2), (-1, 2)} C. {(1, 0), (1, 1)} D. {(1, -2), (-1, 2)}
A university alumni group wishes to provide an annual scholarship in the amount of $1,100 beginning next year. If the scholarship fund will earn an interest rate of 5% / year compounded continuously, find the amount of the endowment the alumni are required to make now. ?
A. $22,559 B. $21,118 C. $22,000 D. $21,556
Find a unit vector u in the direction of the given vector.
A. 
B. 
C. 
D. 
Provide an appropriate response.Explain how the multiplication and addition principles are used in solving systems of equations using the elimination method.
What will be an ideal response?