3 years ago

what is the equation of the line, in point slope form, that passes through the points (-1,7) and (-2,3)

1 answer:

6 0

Answer: y=4x

Step-by-step explanation:

Slope: y2-y1/ x2-x1

So 7-3/-1-(-2)

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Maru [420]

$\begin{pmatrix} a & b \\ c & d \end{pmatrix}^{-1} = \dfrac{1}{ad-bc} \begin{pmatrix}{ d & -b \\ -c & a}\end{pmatrix}$

$\begin{pmatrix} 5 & 7 \\ 2 & 3 \end{pmatrix}^{-1} = \dfrac{1}{5(3)-2(7)}\begin{pmatrix} 3 & -7 \\ -2 & 5 \end{pmatrix}$

Answer: $\begin{pmatrix} 3 & -7 \\ -2 & 5 \end{pmatrix}$

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3 years ago

4vir4ik [10]

x=3

Step-by-step explanation:

five time three is fifteen minus three is twelve.

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777dan777 [17]

Your answer would be 25/12 improper or as a mixed fraction 2 1/12

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4 years ago

Marat540 [252]

Answer:

if DA line is lineer

Step-by-step explanation:

you can use small triangle.. it's slopes ⅕ slope of DC=⅕

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3 years ago

Ksivusya [100]

Answer:6 pieces

Step-by-step explanation:

3/4 can be made into 6/8. She will have 6 pieces

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3 years ago