MAT119 M2WA2 ANSWERS

 

4.  (2,−1)  is a solution to  because substituting in the point gives:

.

 

 

6.  (1,−1)  is a solution to  because substituting in the point gives:

 not −4.

 

 

16.  The x-intercept is 1.  There is no y-intercept.

 

 

18.  For

Let  and substitute:



The x-intercept is 5.

 
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