Graphing Calculator Steps Steps to follow to find the vertex of a parabola & to find the zeros of a...
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Transcript of Graphing Calculator Steps Steps to follow to find the vertex of a parabola & to find the zeros of a...
Graphing Calculator Steps
Steps to follow to find the vertex of a parabola & to find the zeros of a parabola. Make sure you view this in presentation mode in order to see
the animations.
h=−16 𝑡 2+150 𝑡+1Finding the maximum height of the rocket using your graphing calculator.
Step 1: Turn the calculator on and
press the y= button
Step 2: In Y1, enter the equation you
wish to see. X is the only variable your calculator will use.
Step 3: Press the [window] button and adjust your viewing window so that you can see your graph.
Step 4: Press the [graph] button to see
your parabola
Step 5: Find the maximum. Press [2nd]
then [trace]
Step 6: Select the maximum function.
[4:maximum]Either press 4, or
scroll down and press enter.
Step 7: Move the blinking cursor to the left side of the vertex
& press [enter].
Step 8: Move the blinking cursor to the
right side of the vertex & press
[enter].
Step 9: Press [enter] one more time so the
calculator will find the vertex point.
Step 10: Your Maximum should appear. ALWAYS
round to 3 decimal places.
Max. Height: 352.563 ftOccurs 4.688 Seconds after
take off
Find
ing
Vert
ex
Solve
Step 1: Turn on your calculator & press [y=]
Step 2: Enter the left side of the equation in Y1.
Enter the right side of the equation in Y2Press [graph]
Step 3: Press [2nd] then [trace]
Step 4: Select option 5:intersect
Step 5: Move the blinking cursor as close to the
zero as possible & press [enter]
Step 6: Repeat Step 5, make sure it’s blinking
close to the same point as last time.Press [enter]
Once the screen says “Guess?” press [enter]
one last timeThis should give you the
value of the zero
Zero: -6Now, repeat these 6
steps to find the other zero.
Zeros: -6, 4
Find
ing
Zero
s