Question
a. Rewrite the given equation in slope-intercept form by
solving for
.
b. Give the slope and
-intercept.
c. Use the slope and
-intercept to graph the linear
function.
solving for
b. Give the slope and
c. Use the slope and
function.
Ask by Martin Burns. in the United States
Mar 25,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
a. Slope-Intercept Form
b. Slope and
-Intercept
- Slope (
): -
-Intercept ( ): (at point )
c. Graphing the Function
- Plot the
-intercept at . - Use the slope
to find another point: move 7 units right and 5 units up to . - Draw a straight line through these points.
This line represents the graph of
.
Solution
a. Rewrite the equation in slope-intercept form
We start with the given equation:
To solve for
, divide both sides of the equation by
:
b. Identify the slope and
-intercept
The equation is now in the form:
where
is the slope and
is the
-intercept.
From the equation
:
- The slope is
. - The
-intercept is , which corresponds to the point .
c. Graph the linear function
-
Plot the
-intercept:
Mark the pointon the coordinate plane. -
Use the slope to find a second point:
The slopeindicates that for every units moved to the right (horizontal change), the graph moves units up (vertical change).
Starting at, move units to the right to and then move units up to . -
Draw the line:
Draw a straight line through the pointsand , extending it in both directions.
This line represents the graph of the function:
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Extra Insights
To rewrite the equation
in slope-intercept form, we need to solve for
. Divide both sides by 7:
This is now in the form
, where
is the slope and
is the y-intercept.
The slope
is
, and the y-intercept
is
(since there is no constant added).
To graph this linear function, start at the y-intercept (0, 0) on the coordinate plane. Since the slope is
, from the point (0,0), go up 5 units and to the right 7 units to find another point at (7, 5). Draw a straight line through these points, and voilà! You have your graph!