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 Description  
 x-intercept:  The value on the x-axis where a graph crosses the x-axis.

The graphs below illustrate graphs of functions. For example, for Figure A, the x-intercept is 9/5 or . The x-intercept for Figure B is 0. Can you tell what the x-intercept is for Figure C?

     

 
y = -5x+9

Figure A

 
Figure B

 Figure C