In which quadrant is the number –14 – 5i located on the complex plane?
1 answer:
Answer:
The complex number belongs to the third quadrant of the complex plane.
Step-by-step explanation:
Let be . In the complex plane, if
(real component) and
(imaginary component), the number belongs to the third quadrant of the complex plane. The complex number
belongs to the third quadrant of the complex plane.
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Answer:
27.2mm²
Step-by-step explanation:
Area of a triangle = * base * height
Base of this triangle = 8mm
Height = 6.8mm
Area =
= 4mm * 6.8mm
= 27.2mm²
Take the augmented matrix,
Swap the row 1 and row 2:
Add -2(row 1) to row 2, and -1(row 1) to row 3:
Add -1(row 2) to row 3:
Multiply through row 3 by 1/9:
Add 5(row 3) to row 2:
Multiply through row 2 by -1/3:
Add -2(row 2) and -1(row 3) to row 1:
So we have .