Pregunta
a. Write the equation for the line of fit.
b. Use the equation for the line of fit to
predict the grade of a 13 -year-old.
b. Use the equation for the line of fit to
predict the grade of a 13 -year-old.
Ask by Ortega Lewis. in the United States
Mar 21,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
The equation for the line of fit is
. Predicting the grade for a 13-year-old using this equation gives
.
Solución
To find the equation for the line of fit, we need to determine the slope and the y-intercept.
Given that the equation is
, we can see that the slope is 1 and the y-intercept is 5.
The equation for the line of fit is
, where
is the slope and
is the y-intercept.
Therefore, the equation for the line of fit is
.
To predict the grade of a 13-year-old, we substitute
into the equation:
So, the predicted grade of a 13-year-old is 18.
Respondido por UpStudy AI y revisado por un tutor profesional
Como
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Bonus Knowledge
To derive the equation for the line of fit from your example, you’d typically need a dataset to analyze. However, from your expression, it seems you’re simplifying to find an intercept form. You might need to clarify the variables and what they represent, as it appears a little muddled!
To predict the grade for a 13-year-old, if we assume the line of fit resolves to a linear relationship based on age, simply plug in
into the derived equation (e.g.,
). If your line of fit was
, your prediction would be
. This indicates the grade for a 13-year-old might commonly fall around the 6th-7th grade, depending on the educational system!
To ensure accuracy, always check the dataset and how age correlates with grades!

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