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1.) Explain why |8-15i| = 17

• 12th grade - Math -

The magnitude of a complex number is defined in the complex space where the real numbers are on the horizontal axis, and the complex (imaginary) part is on the vertical axis.
The magnitude is defined to be the distance of the given point to the origin, namely for a complex number
a+bi,
|a+bi|= √(a²+b²)
So
|8+15i|=√(8²+15²)=17

• 11th grade - Math -

What Is The Graph Of X=y

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6. ### 12th grade - Math

Identify the system as consistent, inconsistent or dependent. Explain your choice. 1.) 3x - 2y = 12 6x - 4y = 24 2.) x= -5 y= 4
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Explain. 1.) To solve x(x-5)=0 either factor may be equal to zero. 2.) | 8-15i | = 17 3.) The solution for x^2 = -2 cannot be found graphically. [any help or explanation is greatly appreciated]