Which method should be used to solve the system? Explain your answer, including a description of the first step.-9x2 - 7y2 =4-3x - 3y =-2
What will be an ideal response?
Substitution should be used, because using elimination would mean introducing an xy term into the second equation unnecessarily. The second equation should be solved for x or y.
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Find the equation of the line described. Write the equation in slope-intercept form, if possible.(8, 8); slope = 
A. y = 
x - 
B. y = - 
x - 
C. y = 
x + 
D. y = - 
x + 
Find the LCM for the given numbers by an appropriate method.24,854 and 3655
A. 731 B. 124,270 C. 7310 D. 10
Find the maximum or minimum value of the objective function, subject to the constraints graphed in this feasible region. 
z = x + 8y. Find maximum.
A. Maximum 34 B. Maximum 27 C. Maximum 42 D. Maximum 20
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?