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IgorC [24]
3 years ago
14

I need help with this problem for my class! thanks

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
7 0

Answer:

point on line= (0,8)

slope=4

Illusion [34]3 years ago
5 0

Answer:

point on line: (-3, -4) // slope: 4

Step-by-step explanation:

This equation is written in point-slope form. This is the 'base' equation:

y - y1 = m (x - x1)

x1 represents the x-coordinate, and y1 represents the y-coordinate. m represents the slope. In your given equation, you see that the symbols before your coordinates are positive instead of negative in the 'base' equation. That is because your coordinates are negative on the plane. When placed in the point-slope form, the double-negatives will make a positive and therefore you see your coordinate numbers written in positives. Therefore, your x-coordinate is -3 and your y-coordinate is -4; the point is (-3, -4).

Slope is represented by m, and in your equation it's 4, or 4/1.

I hope this helps!

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Help even tho it’s multiple choice make sure you are correct... I beg you lol
kondaur [170]

Answer:

The equation of the line is:

y=(-\frac{1}{2})x+1

Therefore, option a is the correct answer.

Step-by-step explanation:

Given the points

  • (-2, 2)
  • (4, -1)

Finding the slope

\mathrm{Slope\:between\:two\:points}:\quad \mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(-2,\:2\right),\:\left(x_2,\:y_2\right)=\left(4,\:-1\right)

m=\frac{-1-2}{4-\left(-2\right)}

m=-\frac{1}{2}

As the point-slope form of the equation of the line is

y-y_1=m\left(x-x_1\right)

where m is the slope

substituting the values m=-\frac{1}{2} and the point (-2, 2)

y-y_1=m\left(x-x_1\right)

y-2=\frac{-1}{2}\left(x-\left(-2\right)\right)

y-2=\frac{-1}{2}\left(x+2\right)

y-2=-\frac{1}{2}\left(x+2\right)       ∵\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{-a}{b}=-\frac{a}{b}

Add 2 to both sides

y-2+2=-\frac{1}{2}\left(x+2\right)+2

y=(-\frac{1}{2})x+1

Hence, the equation of the line is:

y=(-\frac{1}{2})x+1

Therefore, option a is the correct answer.

4 0
3 years ago
hi, in your own words list the steps you need to take to add and subtract rational expressions...please
Andre45 [30]

Answer:

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Step-by-step explanation:

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What expression must be subtracted from 2x-3y+z to give 3x+2y?
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Answer:

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4 years ago
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Answer:

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Step-by-step explanation:

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Read 2 more answers
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