Videos > Determining mistakes in steps example
Determining mistakes in steps example Video Lecture
FAQs on Determining mistakes in steps example Video Lecture
| 1. How can I determine mistakes in steps? |  |
| 2. Are there any specific techniques to identify mistakes in steps? | |
Ans. Yes, there are several techniques you can use to identify mistakes in steps, such as:
- Proofreading the steps carefully to spot any grammatical or spelling errors.
- Cross-referencing the steps with reliable sources or references to ensure accuracy.
- Conducting a step-by-step analysis to identify any logical or sequencing errors.
- Testing the steps by actually performing the tasks described and checking for any discrepancies.
- Seeking feedback from experts or individuals with experience in the subject matter to pinpoint any mistakes.
| 3. What are the consequences of not correcting mistakes in steps? | |
Ans. Not correcting mistakes in steps can lead to various consequences, including:
- Frustration and confusion for individuals following the steps, as they may encounter difficulties or unexpected results.
- Wasted time and effort spent on trying to follow incorrect steps.
- Failed outcomes or incorrect results due to following flawed instructions.
- Potential safety hazards or risks if the steps involve tasks that require precision or caution.
- Damage to reputation or credibility if the mistakes in steps are identified by others, especially in professional or educational settings.
| 4. How can I avoid making mistakes in steps when creating instructions? | |
Ans. To avoid making mistakes in steps when creating instructions, consider the following tips:
- Clearly define the intended outcome or goal of the instructions.
- Break down complex tasks into smaller, manageable steps.
- Use simple and concise language that is easily understandable by the target audience.
- Double-check calculations, measurements, or technical details mentioned in the steps.
- Proofread the instructions thoroughly for any grammatical or spelling errors.
- Test the instructions by having someone else follow them to ensure clarity and accuracy.
- Incorporate feedback from users or individuals with experience in the subject matter to improve the instructions.
| 5. Can mistakes in steps be fixed after the instructions are published? | |
Ans. Yes, mistakes in steps can be fixed even after the instructions are published. Here are a few ways to address mistakes:
- Update the instructions online or in digital formats to reflect the corrections.
- Publish an errata or addendum document that outlines the corrected steps.
- Notify users or readers of the mistake through email, social media, or other communication channels.
- Offer clarification or alternative steps through a revised edition or supplementary material.
- Encourage users to provide feedback and report any errors they encounter, allowing for continuous improvement of the instructions.
Text Transcript from Video
Meredith is solving the
following problem for homework,
2 times the quantity x plus
4 squared is equal to 242.
She completes the problem
as seen in the steps below,
and they give us the
steps right over here.
When she gets to
school the next day,
her teacher tells her that
the answer's x equals 7
and x equals negative 15.
She only got x equals 7 here.
In what step did
she make an error?
So this first step
right here-- and I
encourage you to
pause this video
and try to figure
this out on your own
before I work through it.
So this first step, let's see.
She got rid of this 2 by
dividing the left-hand side
by 2, and she
appropriately divided.
Well, you can't just
do that to one side.
You have to do
that to both sides
in order to hold this equality.
So she divided 242 by 2 as
well, so that is correct.
Step one makes sense.
And then she just
wanted-- instead
of this being an
x plus 4 squared,
she wanted it to be an x plus 4.
So she attempted to take the
square root of both sides.
She said hey, look.
The square root of x plus
4 squared is x plus 4,
and the square
root of 121 is 11.
And this is where she made
a small but very, very,
very, very important mistake.
Because if something
squared is equal to 121,
that means that
something could be
the positive or negative
square root of 121.
This thing that we're
squaring could be positive 11,
because positive
11 squared is 121,
or x plus 4 right over
here could be negative 11,
because negative 11
squared is also 121.
So this right over here,
this should say x plus 4
is equal to the positive or
negative square root of 11,
and so that's why she missed out
on one of the solutions right
over here.
So she messed up in step two.
She should have taken
the positive and negative
square root.
So, we got that right.
following problem for homework,
2 times the quantity x plus
4 squared is equal to 242.
She completes the problem
as seen in the steps below,
and they give us the
steps right over here.
When she gets to
school the next day,
her teacher tells her that
the answer's x equals 7
and x equals negative 15.
She only got x equals 7 here.
In what step did
she make an error?
So this first step
right here-- and I
encourage you to
pause this video
and try to figure
this out on your own
before I work through it.
So this first step, let's see.
She got rid of this 2 by
dividing the left-hand side
by 2, and she
appropriately divided.
Well, you can't just
do that to one side.
You have to do
that to both sides
in order to hold this equality.
So she divided 242 by 2 as
well, so that is correct.
Step one makes sense.
And then she just
wanted-- instead
of this being an
x plus 4 squared,
she wanted it to be an x plus 4.
So she attempted to take the
square root of both sides.
She said hey, look.
The square root of x plus
4 squared is x plus 4,
and the square
root of 121 is 11.
And this is where she made
a small but very, very,
very, very important mistake.
Because if something
squared is equal to 121,
that means that
something could be
the positive or negative
square root of 121.
This thing that we're
squaring could be positive 11,
because positive
11 squared is 121,
or x plus 4 right over
here could be negative 11,
because negative 11
squared is also 121.
So this right over here,
this should say x plus 4
is equal to the positive or
negative square root of 11,
and so that's why she missed out
on one of the solutions right
over here.
So she messed up in step two.
She should have taken
the positive and negative
square root.
So, we got that right.
About this Video
Mar 02, 2025
Last updated
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