Complex Number: Modulus and argument

Find the right Argand's Diagram for z = 4 - 8i

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Calculate the modulus (R) and argument (θ) for z = 4 + 9i

• R = 9.05, θ = 114°

• R = 9.85, θ = 66°

• R = 97, θ = 66°

• R = 9.85, θ = 294°

Calculate the modulus (R) and argument (θ) for z = -5 + 3i

• R = 5.83, θ = 31°

• R = 34, θ = 149°

• R = 5.83, θ = 211°

• R = 5.83, θ = 149°

Calculate the modulus (R) and argument (θ) for z = -7 - 5i

• R = 8.6, θ = 144.5°

• R = 8.6, θ = 215.5°

• R = 74, θ = 35.5°

• R = 8.6 , θ = 234.5 °

Calculate the modulus (R) and argument (θ) for z = 3 - 7i

• R = √58, θ = 66.8°

• R = 7.6, θ = 246.8°

• R = √58, θ = 293.2°

• R = 7.6 , θ = 113.2 °