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4 votes
What is an equation of the line that passes through the points (-4,-4) and (4,6), answer in fully reduced form.

User Mkjasinski
by
8.4k points

1 Answer

3 votes

Use

y

2

y

2

x

2

x

1

4

9

2

3

=

5

1

=

5

Answer link

Jim G.

Jun 11, 2018

y

=

5

x

6

Explanation:

the equation of a line in

slope-intercept form

is.

x

y

=

m

x

+

b

where m is the slope and b the y-intercept

to calculate m use the

gradient formula

x

m

=

y

2

y

1

x

2

x

1

let

(

x

1

,

y

1

)

=

(

2

,

4

)

and

(

x

2

,

y

2

)

=

(

3

,

9

)

m

=

9

4

3

2

=

5

1

=

5

y

=

5

x

+

b

is the partial equation

to find b substitute either of the 2 given points

into the partial equation

using

(

2

,

4

)

then

4

=

10

+

b

b

=

4

10

=

6

y

=

5

x

6

is the equation of lineAnswer:

Explanation:

Use

y

2

y

2

x

2

x

1

4

9

2

3

=

5

1

=

5

Answer link

Jim G.

Jun 11, 2018

y

=

5

x

6

Explanation:

the equation of a line in

slope-intercept form

is.

x

y

=

m

x

+

b

where m is the slope and b the y-intercept

to calculate m use the

gradient formula

x

m

=

y

2

y

1

x

2

x

1

let

(

x

1

,

y

1

)

=

(

2

,

4

)

and

(

x

2

,

y

2

)

=

(

3

,

9

)

m

=

9

4

3

2

=

5

1

=

5

y

=

5

x

+

b

is the partial equation

to find b substitute either of the 2 given points

into the partial equation

using

(

2

,

4

)

then

4

=

10

+

b

b

=

4

10

=

6

y

=

5

x

6

is the equation of line

User Mjafari
by
8.3k points

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