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3 years ago

Giving 15 point plz help me

Mathematics

2 answers:

ale4655 [162]3 years ago

4 0

Answer:

Step-by-step explanation:

Looking at the first three values of the table- when the x increases by 1, the y increases by 3.

sesenic [268]3 years ago

4 0

Answer:

It's 3, I believe.

Step-by-step explanation:

If it isn't I'll remove my answer so someone else can answer. :)

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polet [3.4K]

Answer:

$\large\boxed{a(x+4)(x-5)=0,\ a\in\mathbb{R}-\{0\}}\\\\\text{for}\ a=1\to\boxed{x^2-x-20=0}$

Step-by-step explanation:

$\text{If}\ x_1\ \text{and}\ x_2\ \text{are the roots of the quadratic equation}\ ax^2+bx+c=0,\\\text{then}\ ax^2+bx+c=a(x-x_1)(x-x_2).\\\\\text{If}\ x_1\ \text{and}\ x_2\ \text{, then they are the roots of the quadratic equation.}\\\\\text{We have}\ x_1=-4\ \text{and}\ x_2=5.\ \text{Therefore we have the equation:}\\\\a(x-(-4))(x-5)=0\\\\a(x+4)(x-5)=0\qquad\text{for any value of}\ a\ \text{except 0}.$

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3 years ago

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GenaCL600 [577]

Answer:

Step-by-step explanation:

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3 years ago

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guapka [62]

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3 years ago

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sladkih [1.3K]

Answer:

Infitite solutions (C)

Step-by-step explanation:

They are the same line.

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3 years ago

What is the x-coordinate of the solution to the system?

ozzi

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Start by finding the least common multiple of 3 and 2 to make the Ys cancel:
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3 years ago