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Iteru [2.4K]
3 years ago
8

Which is a equation of the line that has the slope of - 4and passes through the point (- 2, 5)?

Mathematics
2 answers:
I am Lyosha [343]3 years ago
8 0

Answer:

The equation of the line

y = -4x - 3

Step-by-step explanation:

The equation of the line

y = mx + c

y = intercept point y

m = slope of the line

x = intercept point x

c = intercept of the line

Given

Slope = -4

Point = ( -2 , 5)

x = -2

y = 5

Insert the values into the equation

y = mx + c

5 = -4(-2) + c

5 = 8 + c

5 - 8 = c

c = 5 - 8

c = -3

Insert c into the equation of a line

y = -4x - 3

The equation of the line is

y = -4x - 3

laila [671]3 years ago
7 0

Answer:

y = - 4x - 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - 4, thus

y = - 4x + c ← is the partial equation

To find c substitute (- 2, 5 ) into the partial equation

5 = 8 + c ⇒ c = 5 - 8 = - 3

y = - 4x - 3 ← equation of line

You might be interested in
Which of the following rational numbers is equal to 3/5?
Vedmedyk [2.9K]
3/5 = 60%
20 ÷ 5 = 4
3 x 4 = 12

Answer is A) 12/20
4 0
3 years ago
Read 2 more answers
HELP!!!!!!!!!!!!!!!!!!!!!!!
Agata [3.3K]

Answer:

B would be (-1, -2)

C would be (-1, 1)

A would be (-4, -2)

Step-by-step explanation:

The ordered pairs are affected by the y value. The X value stays the same since you didn't move the shape any to the right or left. The y values went down three on all of the points because you moved the whole shape down three spots.

I hope this helps! Please mark as brainliest! Just ask if you need anymore help! :D Good Luck!

8 0
3 years ago
The work of a student to solve a set of equations is shown below:
Zolol [24]
He made erron in step 3. He forgot add 4. it should be  
-4m + 4m = -32 - 8n + 4n +4

Greeting
3 0
3 years ago
Read 2 more answers
4. Encuentra dos sistemas de ecuaciones lineales
vekshin1

Answer:

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3 0
3 years ago
determine the base, b, of the exponential model. Is the base a growth or decay factor? a. b is 0.6394; It is a growth factor. b.
Kazeer [188]
An exponential model can be described by the function
f(x) = a(b)^x
where: a is the initial population or the starting number, b is the base and x is the number of periods elapsed.

When the base of an exponential model is greater than 1 it is called a growth factor, but when it is less than 1 it is called a decay factor.

Given the exponential model
n=20.5(0.6394)^t
n is the final output of the exponential model, 20.5 is the starting number, 0.6394 is the base and t is the number of periods/time elapsed.

Here, the base is 0.6394 which is less than 1, hence a decay factor.

Therefore, <span>the base, b, of the exponential model is 0.6394; It is a decay factor.</span>
8 0
3 years ago
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