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trasher [3.6K]
4 years ago
13

Write the slope-intercept form of the line passing through (–8, –5) and (4, 4).

Mathematics
2 answers:
Alja [10]4 years ago
6 0

Answer:

\huge\boxed{y = \frac{3}{4}x+1}

Step-by-step explanation:

<u>Finding the slope (m) first:</u>

Given the coordinates (-8 , -5) and ( 4 , 4 )

Slope = \sf \frac{Rise}{Run}

Slope = \sf \frac{y2-y1}{x2-x1}

Slope = \frac{4 + 8}{4+5}

Slope = \frac{12}{9}

Slope = m = \frac{3}{4}

<u>Finding y - intercept (b) :</u>

Taking a coordinate say (4,4)

And putting it in slope intercept form along with b

y = mx+b

Where y = 4 , m = 3/4 and x = 4

4 = (3/4)(4) + b

4 = 3+b

4-3 = b

1 = b

So,

b = 1

<u>Putting m and b now in slope-intercept equation:</u>

y = mx+b

y = \frac{3}{4}x+1

lawyer [7]4 years ago
4 0

Answer:

\Huge \boxed{y=\frac{3}{4} x+1}

\rule[225]{225}{2}

Step-by-step explanation:

We can find the slope through two points.

m = (y2 - y1)/(x2 - x1)

m = (4 - -5)/(4 - -8)

m = 9/12 = 3/4

The slope of the line is 3/4.

Slope-intercept form of a line is y=mx+b. Where m is the slope and b is the y-intercept.

y = 3/4x + b

A point on the line is (4, 4). x = 4 and y =4.

4 = 3/4(4) + b

4 = 3 + b

b = 1

The y-intercept is 1.

\rule[225]{225}{2}

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Step-by-step explanation:

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7 0
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7 0
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We know that,

\star \:  \:  \purple{Volume_{(cone)} =\pi {r}^{2}   \frac{h}{3} }

\star \:  \:  \purple{Volume_{(cone)} =3.14 \times  {(50)}^{2}  \times   \: \cancel\frac{30}{3}  \:   }

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\star \: \: {\blue{DisneyPrincess29}}

6 0
3 years ago
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