3 years ago

After I substitute in y how do I determine the coordinate(s)?

Mathematics

1 answer:

klasskru [66]3 years ago

6 0

Simplifying both sides of the equation then isolating the variable

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We want to factor the following expression: (x+7)^2+2y(x+7)+y^2 which patter can we use to factor the espression? U and V are ei

Lostsunrise [7]

Answer:

A. (U+V)^2 or (U-V)^2

Step-by-step explanation:

5 0

3 years ago

If 4x^2 - 100 = 0 then the roots of the equation are

iVinArrow [24]

4x² - 100 = 0
 + 100 + 100
 4x² = 100
 4 4
 x² = 25
 x = +5
4(5)² - 100 = 0
4(25) - 100 = 0
100 - 100 = 0
 0 = 0

4(-5)² - 100 = 0
4(25) - 100 = 0
 100 - 100 = 0
 0 = 0

The roots of the equation is positive or negative 5.

8 0

3 years ago

Read 2 more answers

Help please!!! i’ve been stuck on this for days!

Snezhnost [94]

Answer:

Step-by-step explanation:

What is the full question?

3 0

3 years ago

Please find the square roots of the following complex number.

Nana76 [90]

Hey there,

First, find the square root of the given equation.

$\sqrt{z}=\sqrt{81(\text{cos}(\frac{4\pi}{9})+i\text{sin}(\frac{4\pi}{9})}\\=9\text{cos}\frac{1}{2}(2k\pi+(\frac{4\pi}{9}))+i\text{sin}\frac{1}{2} (2k\pi+(\frac{4\pi}{9}))$