# Solve the system by the method of substitution.

**MATH**

** Solve the system by the method of substitution.**

Express from the second equation: Then substitute it into the first equation: or or or

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**MATH**

** Solve the system by the method of substitution.**

EQ1: EQ2: To solve using substitution method, isolate the x in the first equation. Then,…

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**MATH**

** Solve the system by the method of substitution.**

—-(1) —-(2) —-(3) —-(4) Substitute the value of ‘2y’ from (3) to…

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**MATH**

** Solve the system by the method of substitution.**

EQ1: EQ2: To solve using substitution method, isolate the x in the second equation. Then, plug-in this to the first equation. …

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**MATH**

** Solve the system by the method of substitution.**

—-(1) —(2) From (1) we can get; Substitute the value of ‘y’ to equation (2); Hence

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**MATH**

** Solve the system by the method of substitution.**

Given: The solution point is (-5, 2).

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**MATH**

** Solve the system by the method of substitution.**

EQ1: EQ2: To solve using substitution method, isolate the x in the first equation. Then, plug-in this to the second equation. …

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the…**

DeMoivre’s Theorem …

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the…**

DeMoivre’s Theorem …

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the complex number….**

DeMoivre’s Theorem …

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the complex number. Write…**

DeMoivre’s Theorem …

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the complex…**

DeMoivre’s Theorem …

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the…**

DeMoivre’s Theorem z^4=625[cos(12.8)+isin(12.8)]…

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the…**

Demoiver’s Theorem …

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the…**

DeMoivre’s Theorem …

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the…**

DeMoivre’s Theorem …

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the…**

DeMoivre’s Theorem …

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the complex…**

Let DeMoivre’s Theorem…

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the complex…**

Given Let DeMoivre’s Theorem …

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the complex number. Write…**

Take note that De Moivre’s Theorem is used to compute the powers and roots of a complex number. The formula is: Notice…

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the complex number. Write…**

De Moivre’s Theorem is used to compute the powers and roots of a complex number. The formula is: To be able to apply…

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the complex number. Write…**

DeMoivre’s Theorem …

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**MATH**

** Use DeMoivre’s Theorem to find the indicated power of the complex number. Write…**

DeMoivre’s Theorem …

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**MATH**

** Perform the opperation and leave…**

The formula for the product of two complex numbers is …

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**MATH**

** Write the standard form of the complex number. Then…**

Standard form of complex number is where To write the number in standard form we first need to calculate the values of trigonometric functions for the given angle….

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**MATH**

** Write the standard form of the complex number. Then…**

Standard form of complex number is were To write the number in standard form we first need to calculate the values of trigonometric functions for the given angle.

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**MATH**

** Write the standard form of the complex number.**

You need to go from trigonometric form in standard form of the complex number, hence, you just need to simplify it replacing 0 for and 1 for such that:

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**MATH**

** Write the standard form of the complex number. Then represent the…**

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**MATH**

** Write the standard form of the complex number.**

You need to go from trigonometric form in standard form of the complex number, hence, you just need to simplify it replacing the values of trigonometric functions for and

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**MATH**

** Write the standard form of the complex number. Then…**

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**MATH**

** Write the standard form of the complex number. Then…**

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**MATH**

** Write the standard form of the complex number. Then…**

Standard form of complex number is were To write the number in standard form we first need to calculate the values of trigonometric functions for the given angle.

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**MATH**

** Write the standard form of the complex number. Then represent…**

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**MATH**

** Write the standard form of the complex number. Then represent…**

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**MATH**

** Write the trigonometric form of the number.**

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**MATH**

** Write the trigonometric form of the number.**

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**MATH**

** Write the trigonometric form of the number.**

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**MATH**

** Write the trigonometric form of the number.**

The trigonometric form of a nonzero complex number is where is the absolute value of a number and Here and…

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**MATH**

** Write the trigonometric form of the number.**

The trigonometric form of a complex number is where Applying these formulas, the values of r and theta of…

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**MATH**

** Write the trigonometric form of the number.**

Take note that the trigonometric form of a complex number z=x+yi is where and Applying these formula, the values of…

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**MATH**

** Write the trigonometric form of the number.**

Given Since z is located in quadrant 3 the angle In trigonmetric form…

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**MATH**

** Write the trigonometric form of the number.**

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**MATH**

** Write the trigonometric form of the number.**

To convert 4 to trigonometric form, express it in z=x+yi form. So it becomes: Take note that the trigonometric form of a complex number z=x+yi is where

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**MATH**

** Write the trigonometric form of the number.**

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**MATH**

** Write the trigonometric form of the number.**

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**MATH**

** Write the trigonometric form of the number.**

The trigonometric form of a complex number z=x+yi is: where and Applying these formulas, the values of r and theta pf…

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**MATH**

** Write the trigonometric form of the number.**

The trigonometric form of a nonzero complex number is where is the absolute value of a number and is the argument. For this number the…

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**MATH**

** Write the trigonometric form of the number.**

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**MATH**

** Write the trigonometric form of the number.**

…

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**MATH**

** Write the trigonometric form of the number.**

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