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3 years ago

Help me solve this problem please

Mathematics

2 answers:

sergey [27]3 years ago

5 0

The answer is y-4=-3(x-13)

My name is Ann [436]3 years ago

3 0

Answer:

y-4=-3(x-13)

Step-by-step explanation:

Once again, the point-slope formula is y(1)-y(2)=m(x(1)-x(2))

You already know the slope which is -3.

You just have to plug in (13,4)

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Factor −13 out of −13x−8.

Citrus2011 [14]

Answer:

i believe its x+5

Step-by-step explanation:

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3 years ago

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aev [14]

Answer:

Step-by-step explanation:

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Xelga [282]

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2 years ago

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What is the other endpoint if one endpoint is (10,12) and the midpoint is (6,9).?

Lubov Fominskaja [6]

Answer:

$(2,\, 6)$ .

Step-by-step explanation:

Let $(x_{0},\, y_{0})$ and $(x_{1},\, y_{1})$ denote the two endpoints.

The formula for the midpoint of these two points would be:

$\displaystyle \left(\frac{x_{0} + x_{1}}{2},\, \frac{y_{0} + y_{1}}{2}\right)$ .

(Similar to taking the average of each coordinate.)

In this question, it is given that $x_{0} = 10$ whereas $y_{0} = 12$ . Substitute these two values into the expression for the coordinate of the midpoint:

$x$ -coordinate of the midpoint: $\displaystyle \frac{10 + x_{1}}{2} = 6$ .
$y$ -coordinate of the midpoint: $\displaystyle \frac{12 + y_{1}}{2} = 9$ .

Solve these two equations for $x_{1}$ and $y_{1}$ : $x_{1} = 2$ whereas $y_{1} = 6$ .

Hence, the coordinate of the other point would be $(2,\, 6)$ .

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2 years ago