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3 years ago

Find the slope of the line through the pair of points. A(2, –3), P(2, 9)

2 answers:

6 0

The slope: $m=\dfrac{y_2-y_1}{x_2-x_1}$

$A(2;-3)\to x_1=2;\ y_1=-3\\P(2;\ 9)\to x_2=2;\ y_2=9\\\\subtitute:\\\\m=\dfrac{9-(-3)}{2-2}=\dfrac{12}{0}!!!$

The denominator can not be zero!

Conclusion: The slope is undenfined.

vladimir2022 [97]3 years ago

5 0

We are given with two points and is asked for the slope of the line formed by the two points. The formula of the slope is equal to change in y over change in x. In this case, the slope is (9+3)/(2-2) equal to 12/0 equal to infinity. This means the line connecting the two is a vertical line

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Solve (x^2+2xy+y^2)(X+1) Show steps

AleksandrR [38]

Answer:

$\large\boxed{x^3+x^2+2x^2y+2xy+xy^2+y^2}$

Step-by-step explanation:

Use FOIL: (a + b)(c + d) = ac + ad + bc + bd

$(x^2+2xy+y^2)(x+1)\\\\=(x^2)(x)+(x^2)(1)+(2xy)(x)+(2xy)(1)+(y^2)(x)+(y^2)(1)\\\\=x^3+x^2+2x^2y+2xy+xy^2+y^2$

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3 years ago

Does anyone know the value of x and y?!?!

sp2606 [1]

Answer:

x=4 and y=2

Step-by-step explanation:

I'm not 100% sure but I substituted different numbers into the equation:

If x=4 and y=2 then 4+2=6 and 3x2=6 so it would be 6=6

Another option is x=7 and y=3 then 7+2=9 and 3x3=9 so it would be 9=9

I'm more confident with x=4 and y=2 because of the small size of the triangle.

I hope this helps! Good luck! :)

8 0

3 years ago

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Simplify the expression below -3(10x + 4y) + 6(6x − 2y)

iren [92.7K]

Answer:

6x - 24y

Explanation:

Expand -3(10x + 4y): -30x - 12y

= $\bold{-30x-12y+6\left(6x-2y\right)}$

Simplify $\bold{-30x-12y+6\left(6x-2y\right): \ 6x-24y}$

= 6x - 24y

Mordancy.

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3 years ago

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Sebastian went hiking near his house.The first trail he hiked on took him 4.5 miles away from his house. The second trail he hik

Sveta_85 [38]

Answer:

Sebastian is 3.8 miles away from his house.

Step-by-step explanation:

4.5 - 2.4 + 1.7

2.1 + 1.7

= 3.8

- Sebastian is 3.8 miles away from his house.

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almond37 [142]

For A B and C, you just plug in the given number

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$2(15) + 5 = 35$
B
$4(20) + 2 = 82$
C
$6(10) + 5 = 65$
And for D, you set the equation to 26 and solve for n
$3x + 5 = 26 \\ 3x = 21 \\ x = 7$
I had to use x instead of n, but for D n=7. :)

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