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Biblioteka

U3D6 Solving Radical Equations Feb25

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Posljednje ažuriranje about 1 year ago
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Link to the video:

https://www.youtube.com/watch?v=5gRzztTSRnM

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Need help solving quadratic equations?

Watch the videos below.

WARM UP

Simplify each expression so that you only have positive exponents.

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Pitanje 1
1.

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Pitanje 2
2.

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Pitanje 3
3.

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Pitanje 4
4.

How are these different?

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Pitanje 5
5.

Solve the equation.

x =

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Pitanje 6
6.

Solve the equation.

x = and .

(two different solutions)

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Pitanje 7
7.

Solve the radical equation.

x =

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Pitanje 8
8.

Solve the radical equation.

x =

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Pitanje 9
9.

Solve the radical equation.

Isolate the radical before squaring.

x =

Pitanje 10
10.

Solve the radical equation.

Isolate the radical before squaring.

x =

Always check your answer. Plug your solution back into the equation to be sure it works.

Does your solution work?

Pitanje 11
11.

Solve the radical equation.

Isolate the radical before squaring.

x =

Always check your answer. Plug your solution back into the equation to be sure it works.

Does your solution work?

Pitanje 12
12.

Solve the radical equation.

Isolate the radical before squaring.

x =

Always check your answer. Plug your solution back into the equation to be sure it works.

Does your solution work?

You get an answer, but it doesn't work. This is called an extraneous solution.

Pitanje 13
13.

Solve the radical equation.

x =

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Pitanje 14
14.

Solve for x.

x =

This equation has extraneous solutions. They are and .

Pitanje 15
15.

Solve for x.

The solution is x = only.

The extraneous solution is .

Pitanje 16
16.

Solve the cube root.

x =