Question
Upstudy AI Solution
Tutor-Verified Answer
Answer
The approximate solutions are
and
.
Solution
To find the approximate solutions to the quadratic equation
by graphing, let’s analyze the given options:
Step 1: Understanding the Equation
The quadratic equation
can be factored or solved using the quadratic formula to find its roots (solutions).
Step 2: Solving the Equation Algebraically
Using the quadratic formula:
where
,
, and
.
So, the solutions are:
Step 3: Comparing with Provided Options
From the solutions, we have
and
.
Looking at the options, the pair
matches our solutions.
Graphical Interpretation
If you graph the equation
, the points where the graph intersects the x-axis are the solutions to the equation. These intersections occur at
and
, confirming our analytical solution.
Conclusion
The approximate solutions to the equation
by graphing are:
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Bonus Knowledge
To solve the equation
by graphing, you can first rewrite it in the form
. The graph of this quadratic function will form a parabola. If you plot the function, you’ll find that it intersects the x-axis at the points where
, which correspond to the roots of the equation.
When you graph this equation, you will discover that the approximate x-intercepts (roots) are close to
and
. This aligns with one of the given options, making it the correct choice to represent the roots of your quadratic equation. Happy graphing! 🌟