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box7
            Grab your TI-84+
             graphing calculator!
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Nice going!! This is Box #7!
Only this last box to conquer!
Before you begin: Be sure the calculator is set to default mode, as shown at the right. Hit the MODE key and be sure all entries are highlighted on the left. If not, use your arrow keys to move to the left and press ENTER to highlight, as you arrow down the screen.

Now, answer the following 6 questions.
mode screen
Box 7 - Dealing with Errors:
1.
Which numbered choice shows the calculator's response when you try to divide by zero?
1) ERR: DIVISION
2) ERR: SYNTAX
3) ERR: DIVIDE BY 0
4) ERR: QUOTIENT

 

 

 

2. Which numbered choice shows the calculator's response when you type in 16 - 5 using the negative symbol instead of the subtraction sign?
1) 11
2) -80
3) -11
4) 80

 




3. Under window, you enter the values shown at the right. Which numbered choice shows the calculator's response when you hit graph?
WINDOW2
1) ERR: SYNTAX
2) ERR: ORDER
3) ERR: WINDOW RANGE
4) ERR: DOMAIN

 

 

 

4. On the home screen, you type the square root of negative five. Which numbered choice shows the calculator's response when you hit enter?
1) ERR: SIGN
2) ERR: NONREAL ANS
3) ERR: PARAMETER
4) ERR: SYNTAX

 

 



5. When an error message appears, it is always best to choose option 2:Goto, as the calculator will attempt to point to the error. Enter the following exactly as written and press enter: (16 - 7) / 2 + 4) + 6
When the error occurs, choose option 2. Which numbered choice describes the error the calculator is trying to point out?
1) Division by zero is going to occur.
2) The division sign should be subtraction.
3) A right parenthesis is missing its left counterpart.
4) The numbers are not listed in proper order.

 

 

 


6. Enter 4 / ( 9 – ( 6 + 3 ) ) .
Which numbered choice describes the error with this entry?
1) There are too many set of parentheses.
2) There are insufficient parentheses.
3) The numerator should be a larger value.
4) Division by zero is going to occur.

 


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