GRA : Graph Relation Analyze

Calculator StrategiesGraph Relation Analyze GRA

We use it to find:

1- Slope or the rate of change (rate).

2- Zero or the x-intercept ( root or solution ).

3- Vertex, Maximum or Minimum for Quadratic functions Graphs.

Steps for GRA :

1- Ctrl – N ( If it asks to if you want to save click No )

2- Add Graph:2. Enter

3- del 6: Relation ( Remember f(x)=y )

4- Write down the relation the way it is. Enter

5- To find the Slope , press Menu 6 ( Analyze ) 5 ( dy/dx ) , click on the line and get your answer.

6- To find the Zero, press Menu 6 ( Analyze ) 1 (zero) , a vertical dotted line appears , Enter before the x-intercept  and move to after x-intercept and press enter. you would see the word zero in yellow.

Note: sometimes you might need to zoom out the graph ( Menu 4 4 ). if needed!

Slope: Menu 65

Zero: Menu 61

 

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