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valentina_108 [34]
3 years ago
5

Solve the quadratic equation for x.What is one of the roots?

Mathematics
2 answers:
ExtremeBDS [4]3 years ago
8 0

Answer:

-13

Step-by-step explanation:

  • plug in each number for x, then follow orders of operations

(-13+6)^2

  • -7^2=49

(-6+6)^2

  • 0^2=0

(-7+6)^2

  • -1^2=1

(-1+6)^2

  • 5^2=25

zubka84 [21]3 years ago
7 0

-13 because 6 x 2 = 12 plus x = -13 x represents 1 btw
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Considera um quadrado de lado 2x e um rectângulo de comprimento x e largura x  2 . Qual é o valor de x para o qual as duas figu
ki77a [65]

Answer:

3 unidades de comprimento

Step-by-step explanation:

O perímetro é definido como a soma de todos os lados.

O perímetro de um quadrado de lado 2x é dado por:

Q=4*2x=8x

O perímetro de um retângulo de comprimento x e largura x² é dado por:

R=2x+2x^2

Para que ambos os perímetros sejam iguais:

R=Q\\8x=2x+2x^2\\x^2=\frac{6}{2}x\\ x=3

O valor de x é igual a 3 unidades de comprimento.

4 0
3 years ago
A side of a square garden is represented by the expression 2s + 5. Which expression represents the area of the garden?
zalisa [80]

Answer:

<h2><u><em>(2s + 5) × (2s + 5)</em></u></h2><h2><u><em>or</em></u></h2><h2><u><em>(2s + 5)²</em></u></h2>

Step-by-step explanation:

A side of a square garden is represented by the expression 2s + 5. Which expression represents the area of the garden?

Area = s * s ( side x side or side²)

(2s + 5) * (2s + 5)

or

(2s + 5)²

6 0
2 years ago
(worth 100 points) Miguel is organizing his collection of sports memorabilia into glass display cases. He wants to cover each si
AlladinOne [14]

Answer:

4240 inches²

Step-by-step explanation:

In order to find the amount of film needed, we have to find the surface area of this cuboid.

  • Formula to Find Surface Area of Cuboid: 2(wl+hl+hw), where w = width, l = length, and h = height.

Now, let's solve!

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Therefore, the answer is 4240 inches².

8 0
2 years ago
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Answer:

M= -3

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Step-by-step explanation:

6-0=6

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4 0
3 years ago
Algebra 1 pleaseeeeeeee help me
bulgar [2K]
I would guess c because it’s passed both the x and y axis
5 0
3 years ago
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