2 years ago

Change the equation x^2+8x+y^2-12y=12 to graphing form

Mathematics

1 answer:

andriy [413]2 years ago

6 0

The radius is 8

Im not sure if this is what your looking for

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What is the distance between begin ordered pair 8 comma negative 3 comma 4 end ordered pair and begin ordered pair 6 comma negat

katen-ka-za [31]

Answer:

$d = \sqrt{14} = 3.74...$

Step-by-step explanation:

To find the distance between (8, -3, 4) and (6, -4, 1), use the distance formula for (x,y,z) points. It is very similar to (x,y) points.

$d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2 + (z_2 - z_1)^2} \\d = \sqrt{(8 - 6)^2 + (-3--4)^2 + (4-1)^2} \\d = \sqrt{(2)^2 + (1)^2 + (3)^2} \\d = \sqrt{4 + 1 + 9}\\ d = \sqrt{14} = 3.74...$

5 0

2 years ago

What is the solution of the system? Use substitution.

trasher [3.6K]

4x-y=5

3x-7=2

We need to solve 3x-7=2 for x

Let's start by adding 7 to both sides

3x-7+7=2+7

3x=9

Now just divide both sides by 3 so we can find the value for x

3x/3=9/3

x=3

Now substitute 3 for x in 4x-y=5

4x-y=5

(4)(3)-y=5

-y+12=5

Now add -12

-y=12-12=5-12

-y=-7

Divide both sides by -1 so we can eliminate the negative sign

-y/-1=-7/-1

y=3

The answer is A

(3,7)

I hope that's help:0

6 0

3 years ago

Decrease 784 in the ratio 3:4

Y_Kistochka [10]

Answer:

336 and 448

Step-by-step explanation:

sum the ratio

divide the actual number by the sum i.e 784÷7=122

multiply 112 by 3 and by 4

4 0

3 years ago

A locus of points equidistant from a fixed point is a

kap26 [50]

Answer:

B. bisector of an angle.

5 0

2 years ago

Solve for t 16−2t=t+9+4t

Brums [2.3K]

Answer:

Step-by-step explanation:

16-2t=t+9+4t

7=7t
t=1

8 0

1 year ago