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Pani-rosa [81]
3 years ago
15

What is the slope of a line between the points (-4,-3) and (4, -2)?

Mathematics
1 answer:
Mashcka [7]3 years ago
4 0

Answer:

slope is 1/8

Step-by-step explanation:

you have to substitute the values of x and y into the equation below:

after simplifying your answer would be 1/8

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Find each square root
weqwewe [10]

Answer:

It actually gave you the answer.

Step-by-step explanation:

If you read closer, it's telling you the answer. It's giving you examples of radicals and such.

6 0
3 years ago
8x+x^2-2y-64+y^2=0 standard form with explanation
xz_007 [3.2K]
X² + 8x +y² - 2y -64 =0
We see that the equation has x² and y² . Also we see that coefficients in front of x² and y² are equal. So this is an equation of the circle.
(x² + 8x) +(y² - 2y) -64 =0
(x² + 8x) +(y² - 2y) = 64
We need to complete square for x and y groups, that means it should be written in form (a+b)² or (a-b)².
Expressions in parenthesis we will write as a²+/-2ab+b², to write it after as (a+/-b)², because  a²+/-2ab+b² = (a+/-b)²

(x² + 2*4x) +(y² - 2*1y) = 64
(x² + 2*4x+4²) +(y² - 2*1y+1²) = 64+4²+1²
(x+4)² + (y-1)²= 81 Sometimes this is called a standard form of the circle.
(x+4)² + (y-1)²= 9² Sometimes it is required to write like this.

And if you are studying circles,ellipses  and hyperbolas, the standard form should look like
\frac{(x+4)^{2}}{9^{2}} + \frac{(y-1)^{2}}{9^{2}} =1






8 0
2 years ago
The formula that describes an objects motion is given by s=ut+1/2at^2, where s is the distance traveled, u is the initial veloci
attashe74 [19]
We have the following equation:
 s = ut + 1 / 2at ^ 2
 Clear a for the equation:
 1 / 2at ^ 2 = s-ut
 at ^ 2 = 2s-2ut
 a = 2s / t ^ 2-2ut / t ^ 2
 Rewriting:
 a = (2s-2ut) / (t ^ 2)
 Answer:
 
An equation that represents a in terms of other variables is:
 
C. 2s-2ut / t ^ 2
6 0
3 years ago
Can you answer this problem?
Rasek [7]
When there is a negative in squre root, it means imaginary number come in. 'i' is usually the varible used to identify imaginary numbers.
First remove the negative from the square root and find the square root of 4, which is 2. Then add i to 2. 2i

Now solve for the positive then negative.

-2 + 2i
----------- = -1 + 1i
2

-2 - 2i
----------- = -1 - 1i
2

Both -1 + 1i and -1 - 1i are the answers.
4 0
2 years ago
What’s is the positive solution ?
Fofino [41]

Answer: x=(6+√196)/4, (6-√196)/4

Step-by-step explanation:

5 0
3 years ago
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