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olchik [2.2K]
3 years ago
13

I have no idea anyone have any idea

Mathematics
2 answers:
Viefleur [7K]3 years ago
6 0

Answer:

(-4,0) or (7,0)

Step-by-step explanation:

If it crosses, the x-axis, y-value would be 0.

=> x² - 3x - 28 = 0

=> x² - 7x + 4x - 28 = 0

=> x(x - 7) + 4(x - 7)

=> x = -4 or 7

Sedbober [7]3 years ago
4 0

Answer:

Step-by-step explanation:

it cuts x-axis where y=0 or f(x)=0

x²-3x-28=0

x²-7x+4x-28=0

x(x-7)+4(x-7)=0

(x-7)(x+4)=0

x=7,-4it will cut x-axis at (-4,0) and (7,0)

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3 years ago
(-3, 6) & m = -¹/2 what’s this equation in point slope form
Gre4nikov [31]

The equation of the line in point-slope form is <u>y - 6 = (-1/2)(x - (-3))</u> which can be simplified as <u>x + 2y = 9</u>.

The equation of a line that has a slope m, and passes through the point (x₁, y₁) is given by the point-slope form of a line, which can be shown as:

(y - y₁) = m(x - x₁).

In the question, we are asked to find the equation of the line in point-slope form, that passes through the point (-3, 6) and has a slope m = -1/2.

We know that the equation of a line that has a slope m, and passes through the point (x₁, y₁) is given by the point-slope form of a line, which can be shown as:

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Taking (x₁, y₁) as (-3, 6) and m = -1/2, in the point-slope form, we get the equation of the line as;

y - 6 = (-1/2)(x - (-3)).

This can be simplified as:

2y - 12 = - x - 3,

or, x + 2y = 9.

Thus, the equation of the line in point-slope form is <u>y - 6 = (-1/2)(x - (-3))</u> which can be simplified as <u>x + 2y = 9</u>.

Learn more about the point-slope form at

brainly.com/question/11624671

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4 0
1 year ago
What is the measure of angle 2?
Darya [45]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
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kolezko [41]

Answer:

Step-by-step explanation:

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Westkost [7]

Answer:

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2 years ago
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