Pregunta
Graph the following equation by plotting two points.
Ask by Chen Reeves. in the United States
Mar 25,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
Plot the points (2, -3) and (9, -1) on a coordinate plane and draw a straight line through them.
Solución
-
Start with the given equation in point–slope form:
-
Identify the fixed point and the slope.
From the equation, the line passes through the pointand has a slope of -
To plot two points, use the known point and find another point by using the slope.
Since the slope is, it means that for an increase of in , increases by .
Starting from: - Increase
by : .
Then,
So, the second point is. - Increase
-
Alternatively, you can verify by converting the equation to slope–intercept form:Express
as : The y-intercept is. However, plotting and from the step–slope form is generally simpler. -
Finally, plot the points
and on a coordinate plane and draw a straight line through them, which represents the graph of the equation.
Thus, the two points to plot are:
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Como
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Bonus Knowledge
To graph the equation
, let’s first rewrite it in slope-intercept form
. Start by rearranging the equation:
-
Subtract 3 from both sides:
-
Distribute the
: -
To combine terms, convert -3 to a fraction:
Now, let’s plot two points.
Point 1: When
:
So, the first point is
.
Point 2: When
:
So, the second point is
.
With points
and
, you can now plot these on a graph and connect them to create a line!
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