All categories

3 years ago

Solve the equation 8x + 4y= -24 for y

Mathematics

2 answers:

ki77a [65]3 years ago

6 0

Answer:

y = -2x - 6

Step-by-step explanation:

4y = -8x - 24

y = -2x - 6

Vinvika [58]3 years ago

4 0

Answer:

y = -6 - 2x

Step-by-step explanation:

8x + 4y = -24

4y = -24 - 8x

y = (-24 - 8x) / 4

= - $\frac{24}{4}$ - $\frac{8}{4}$

= -6 - 2x (ans) or -(6 + 2x)

You might be interested in

Given a point A(-2,5), find the coordinates of a point B so that the line segment AB has each slope.

Kaylis [27]

Step-by-step explanation:

I understand this that we need to find a point B for each of a) to f).

remember, the slope is the (y coordinate difference / x coordinate difference) when going from one point on the line to the other.

the slope 2/3 means that when going to B x has to increase by 3, and y has to increase by 2.

so, B = (-2 + 3, 5 + 2) = (1, 7)

-2/3 means that either x or y have to decrease and the other to increase.

e.g. x increases by 3, y decreases by 2.

so, B = (-2 + 3, 5 - 2) = (1, 3)

4 stands for 4/1.

so, x increases by 1, y increases by 4.

B = (-2 + 1, 5 + 4) = (-1, 9)

similar to c) -3 stands for -3/1.

and similar to b) either x or y has to decrease and the other to increase.

e.g. x increases by 1, y decreases by 3.

B = (-2 + 1, 5 - 3) = (-1, 2)

that means the y difference is 0. B has the same y coordinate.

e.g. B = (3, 5)

x can be any value.

the line is a horizontal line going through y = 5 or (0, 5) on the y-axis.

that means the x difference is 0. B has the same x coordinate.

e.g. B = (-2, 9)

y can be any value.

the line is a vertical line going through x = -2 or (-2, 0) on the x-axis.

8 0

10 months ago

Find the slope of the line that contains the following pair of points: (2, 4), (0, 8).

Ugo [173]

8-4/0-2 =4/-2= -2
So it has a negative slope

4 0

2 years ago

Point R divides in the ratio 1 : 3. If the x-coordinate of R is -1 and the x-coordinate of P is -3, what is the x-coordinate of

grandymaker [24]

D -9 because it has a -3 and its going to be the same - sign

7 0

3 years ago

Read 2 more answers

Please hurry i don't have much time left!

quester [9]

Answer:

Check below

Step-by-step explanation:

That's too bad you haven't attached a rectangle.

Here's an example, with the data you've typed in.

1) When we dilate a rectangle we either grows it or shrink it through a scale factor.

Check the first picture below.

The New Dilated Rectangle A'B'C'D' will follow its coordinates, when the <u>Center of Dilation is at its origin(Middle):</u>

$D_{A'B'C'D'}=\frac{1}{2}(x,y)$

2) But In this question, <u>B is the center of Dilation</u>. So, Since B is the Dilation Point B=B' . And More importantly:

$\bar{AB}=\frac{1}{2}\bar{A'B'}\\\bar{CD}=\frac{1}{2}\bar{C'D'}\\\bar{AC}=\frac{1}{2}\bar{A'C'}\\\bar{CD}=\frac{1}{2}\bar{C'D'}\\$

3) So check the pictures below for a better understanding.

6 0

2 years ago

Read 2 more answers

Solve for the equation 4a-8=28

hoa [83]

4a-8=28
add 8 to both sides to start to isolate the variable (a)
-8+8 cancels each other out
28+8=36
4a=36
to completely isolate the variable divide both sides by 4
4a÷4=a
36÷4=9
a=9

6 0

3 years ago

Solve the equation 8x + 4y= -24 for y​

Solve the equation 8x + 4y= -24 for y