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Aleksandr-060686 [28]
2 years ago
8

What is the slope of the line that contains these points. X -4 -3 -2 -1 Y 2 5 8 11

Mathematics
1 answer:
lisabon 2012 [21]2 years ago
5 0

Answer:

m= \frac{1}{3} \\

Step-by-step explanation:

    In order to get your you can do it 2 ways: 1). \frac{rise}{run} which is how far up you go (rise) over how far left or right you go (run).    2). \frac{x2-x1}{y2-y1} which is pick two values and you subtract your second pair from your first pair. You get the same answer either way. In this case, the slope is 1 over 3 or 1/3.

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What are the solutions of the equation x^4 – 5x^2 – 36 = 0? Use factoring to solve.
hammer [34]

Answer:

Step-by-step explanation:

The equation is x^4 – 5x^2 – 36 = 0

We will break the middle term:

Firstly multiply the coefficient of x^4 by constant term of the equation:

1*36 = 36

Now find any two numbers whose product is 36 and their sum or difference is equal to 5

9*4 = 36

9-4 = 5

Now,

x^4 – 5x^2 – 36 = 0

x^4-9x^2+4x^2-36=0

Now take the common:

x^2(x^2-9)+4(x^2-9)=0

(x^2+4)(x^2-9)=0

x²+4=0,

x²= 0-4,

x²=-4,  

Take root on both sides:

√x²=+/-√-4

+/-√-4 = +/-√-1 *√4

√-1 = i

Then +/-√-1 *√4 = √4 i

We know that the root of 4 is 2

Then we can write it as +/-2i

Thus x = 2i , -2i

Now (x^2-9)= 0

x²=0+9

x²=9

Take square root on both sides:

√x²=√9

x=+/-3

x= 3, -3

Therefore the values of x are 2i, -2i, 3 , -3 ....

3 0
3 years ago
WILL GIVE BRAINLIEST ANSWER
solniwko [45]

Answer:

its C I think

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Which is an equation of the line that passes through (–1, –5) and (–3, –7)
mestny [16]

Answer: y=x-4

Step-by-step explanation: The y value is exactly x minus four.

4 0
3 years ago
Curtis threw 18 darts at a dartboard. 48% of his darts hit the bull’s-eye. How many darts did not hit the bull’s-eye?
Pepsi [2]
Change 48% to 0.48
0.48 x 18 = 8.64
rounded would be 9
4 0
2 years ago
If y=5x-3and 3x-y=-1, what is the value of y?<br> A. 7<br> B. -1<br> C. 2<br> D. -8
Genrish500 [490]
Ummm explain the question more but b seems to make the most sense
8 0
3 years ago
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