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Sauron [17]
4 years ago
9

Write an equation in slope-intercept form for the line with slope −2 and y -intercept −4 .

Mathematics
1 answer:
julsineya [31]4 years ago
8 0
Slope intercept form looks like this:
y = mx + b
m is the slope.
b is the y-intercept.

Here, m = -2 and b = -4

y = -2x - 4 is the answer.
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Answer:

Step-by-step explanation:

In this particular case we have the following system of equations:

y

=

−

3

x

+

4

[

E

q

.

1

]

x

+

4

y

=

−

6

[

E

q

.

2

]

Substituting

[

E

q

.

1

]

in

[

E

q

.

2

]

:

x

+

4

(

−

3

x

+

4

)

=

−

6

Applying the distributive property on the left side:

x

−

12

x

+

16

=

−

6

Simplifying

:

−

11

x

=

−

22

Solving for

y

:

x

=

−

22

−

11

=

2

Substituting

x

=

2

in

[

E

q

.

1

]

:

y

=

−

3

(

2

)

+

4

=

−

2

Therefore

, the solutions are

x

=

2

and

y

=

−

2

7 0
3 years ago
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