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Write the following expression in simplified radical form.

Find the roots of the quadratic equation:

Compute the value of the discriminant and give the number of real solutions to the quadratic equation

Solve the following equation for by using the quadratic formula:

Find the -intercept(s) and the coordinates of the vertex for the parabola . If there is more than one -intercept, separate them with commas.

##### Solution Summary

This provides several examples of working with radicals and quadratic equations, including graphing parabolas, simplifying, solving equations, and word problems.

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Hi,

Please find the solutions/explanations attached herewith.

1. Rewrite the following in simplified radical form.

Assume that all variables represent positive real numbers
Solution:

2. Write the following expression in simplified radical form.

Assume that all variables represent positive real numbers.
Solution:

3. Simplify the following expression as much as possible:

Assume that all variables represent positive real numbers.
Solution:

4.
Simplify.

Assume that all variables represent positive real numbers.
Solution:

5.

Solution:

By combining similar terms, we will get

6.
Rationalize the denominator and simplify:

Solution:

7.
Write in simplified radical form by rationalizing the denominator.

Solution:

8.
Solve for :
,
where is a real number.
(If there is more than one solution, separate them with commas.)
Solution:
Squaring each side, we will get

z + 13 = 9
Subtract 13 from each side, we will get
z = 9 - 13 = -4
9.
Solve the following equation for :
,
where is a real number.
(If there is more than one solution, ...

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• BSc, Meerut University
• MSc, Meerut University
• MPhil, Institute of Advanced Studies
• MSc, AIT
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