Using a Graphing Calculator

1
Using a Graphing Calculator
TECHNOLOGY
5.1

• Goal
• use a graphing calculator to graph linear
  equation and find solutions.
• Key Words
• window
• graph
• zoom
• table

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• Evaluating Expressions

Evaluate the expression.
15 - 5 52
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• Evaluating Expressions

Evaluate the expression.
(-7)2 (-19 33)
Press , , (-7) ,
x2 , ,
, 19 , 33
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• Evaluating Expressions

Evaluate the expression.
2 (6 10) - 8
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• Evaluating Expressions

Evaluate the expression.
19.23 (8.72 9.6 2.7)
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• Evaluating Expressions

Evaluate the expression.
12 - 4 2
(12 - 4) 2
12 - 4 2 10
(12 - 4) 2 10
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• Evaluating Expressions

Evaluate the expression.
12 - 4 2 10 6
(12 - 4) 2 10 6
(12 - 4 2) (10 6)
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To insert a variable into an expression you will
use the variable button. Locate this feature.
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• Graphing a Linear Equation

Use a graphing calculator to graph the equation.
y 2x 4.
10

• Graphing a Linear Equation

Use a graphing calculator to graph the equation.
y 2x 4.
Press , 2 , x , , 4
Press to set the size of the graph.
Set x-axis to a range of -10 to 10 Set y-axis for
a range of -10 to 10.
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• Graphing a Linear Equation

Use a graphing calculator to graph the equation.
y 2x 4.
Press , 2 , x , , 4
Press to set the size of the graph.
Set x-axis to a range of -10 to 10 Set y-axis for
a range of -10 to 10.
Press to graph the equation.
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Try These
1. y -2x - 3
2. y 2x 2
3. y 5x 4
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• Graphing a Linear Equation

Use a graphing calculator to graph the equation.
y x 30.
Press , ,5 ,
3 , , x , , 30
,
What happened?
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• Graphing a Linear Equation

Use a graphing calculator to graph the equation.
y x 30.
Press to set the size of the
graph. Use the cursor arrows to
move and enter new values.
Set x-axis to a range of -40 to 50 Set y-axis for
a range of -50 to 10.
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• Graphing a Linear Equation

Use a graphing calculator to graph the equation.
y x - 30
Press to graph the equation.
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• Graphing a Linear Equation

Use a graphing calculator to graph the equation.
y x 16
Press to graph the equation.
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• Graphing a Linear Equation

Use a graphing calculator to graph the equation.
y x 16
Press to graph the equation.
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Graphing a Linear Equation Finding Intercepts
Use a graphing calculator to graph the equation.
2x 6y 9
Find the intercepts of the line 2x 6y 9
Use cursor to find additional points .
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Graphing a Linear Equation Finding Intercepts
Find the intercepts of the line 2x 6y 9
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Graphing a Linear Equation Finding Intercepts
Find the intercepts of the line 2x 6y 9
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Finding Points using a Table.
Find the solutions of the equation 2x 6y 9
Press