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

The graphs below illustrate graphs of functions. For example, for Figure A, the y-intercept is 9, because the graph crosses the y-axis at 9. Can you tell what the y-intercepts are for Figures B and C?

     

 
y = -5x+9

Figure A

 
Figure B

 Figure C