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lyudmila [28]
2 years ago
15

The polynomial below is a perfect square trinomial of the form A^2 - 2AB + B^2

Mathematics
1 answer:
WITCHER [35]2 years ago
4 0

Answer:

True

Step-by-step explanation:

9x^2-12x +4 \\\\=(3x)^2 - 2\cdot 3x \cdot 2+2^2\\\\=(3x-2)^2

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"Complete the square" to convert the equation of each circle to graphing form. Identify the center and the radius.
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Answer:

The center is (-3,2) and the radius is r=2

Step-by-step explanation:

The general equation of the given circle is

x^2+6x+y^2-4y=-9

Add the square of half the coefficient of the linear terms to both sides of the equation to obtain;

x^2+6x+3^2+y^2-4y+(-2)^2=-9+3^2+(-2)^2

x^2+6x+9+y^2-4y+4=-9+9+4

x^2+6x+9+y^2-4y+4=4

The quadratic trinomials in x and y on the left side of the equations are perfect squares.

We factor to obtain;

(x+3)^2+(y-2)^2=4

(x--3)^2+(y-2)^2=2^2

Comparing to:

(x-h)^2+(y-k)^2=r^2

The center is (-3,2) and the radius is r=2

8 0
3 years ago
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Neko [114]
Your Anwser is Compound Interest
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3 years ago
Find the area of a parallelogram with a base of 14 m and a height of 5 m.
lapo4ka [179]

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
5x = - 25x<br> Solve for x
Sunny_sXe [5.5K]
Subtract 5x from both sides
0=-30x

Divide both sides by -30
0=x

Final answer: x=0

Hope this helps!
8 0
3 years ago
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