2 years ago

In which quadrant is -3-4i located?

Mathematics

2 answers:

Vera_Pavlovna [14]2 years ago

6 0

Answer:

Step-by-step explanation:

think of the coordinate grid as a big c. the top right is 1, the bottom right is 4.

tatuchka [14]2 years ago

4 0

Answer:

It is located in the 3rd quadrant since x = -3 and y = -4.

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The width of a rectangle is 7 meters greater than its length. If the area of the rectangle is 170 square meters, write the quadr

mamaluj [8]

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2 years ago

How much money should a student place in a time deposit in a bank that pays 1.1% compounded annually so that he will have Php 20

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2 years ago

It costs $38 for 2 people to go to the movie theater. 40% of the money was for snacks.What was the cost of each movie ticket?

stira [4]

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3 years ago

Choose one of the factors of x^3 + 343.

Debora [2.8K]

First, note that $343=7^3.$ Then use the formula for the sum of perfect cubes:

$a^3+b^3=(a+b)(a^2-ab+b^2).$

Therefore,

$x^3 + 343=x^3+7^3=(x+7)(x^2-7x+49).$

The quadratic trinomial $x^2-7x+49$ couldn't be factored anymore, so the expression $x^3 + 343$ has two factors $x+7$ and $x^2-7x+49.$

Answer: correct choice is A.

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