Without graphing, answer the following questions for the linear system.(i) Is the system inconsistent, are the equations dependent, or neither?(ii) Is the graph a pair of intersecting lines, a pair of parallel lines, or one line?(iii) Does the system have one solution, no solution, or an infinite number of solutions?x + 2y = 0y = - 
x
A. (i) dependent
(ii) one line
(iii) infinite number of solutions
B. (i) neither
(ii) intersecting lines
(iii) one solution
C. (i) inconsistent
(ii) parallel lines
(iii) no solution
Answer: A
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at the point 
A. x - 2y + 1 = 0
B. x - 2
y + 1 = 0
C. x - 2
y + 9 = 0
D. x - 2y + 9 = 0
Use the present value formula to determine the amount to be invested now, or the present value needed.The desired accumulated amount is $3800 after 4 years invested in an account with 5% interest compounded annually.
A. $3282.58 B. $4618.92 C. $673.73 D. $3126.27
Subtract. Write the answer in lowest terms.
A. 12
B. 9
C. 9
D. 8
Find an equation of the plane that passes through the points P, Q, and R. : P(8,1,1), Q(5,2,0), R(0,0,0)
 figure 1.png)