Answer the question.Consider the linear equation in three variables x - y + z = 9. Find a pair of linear equations that, when considered together with the given equation, will form a system having infinitely many solutions.
What will be an ideal response?
Answers will vary. (One example: 
and 
)
You might also like to view...
Simplify.
A. undefined
B. 28
C. 0
D. 
Find the inverse of the function.f(x) = x4 + 6, x ? 0
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. Not invertible
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
x2(x2 - 5)(x - 1)
A. 0, multiplicity 2, crosses x-axis;
1, multiplicity 1, touches x-axis
B. 0, multiplicity 2, crosses x-axis;
1, multiplicity 1, touches x-axis;
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
C. 0, multiplicity 2, touches x-axis;
1, multiplicity 1, crosses x-axis
D. 0, multiplicity 2, touches x-axis;
1, multiplicity 1, crosses x-axis;
, multiplicity 1, crosses x-axis;
-
, multiplicity 1, crosses x-axis
Solve the problem.The polynomial 
gives the approximate total earnings of a company, in millions of dollars, where x represents the number of years since 1996. This model is valid for the years from 1996 to 2000. Determine the earnings for 1998. Round your answer to two decimals, if necessary.
A. $2.27 million B. $2.3 million C. $2.12 million D. $2.45 million