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viktelen [127]
3 years ago
14

Find the slope of the line through the psi of points A(2, -3), p(2,9)

Mathematics
1 answer:
Law Incorporation [45]3 years ago
5 0

The slope of a line passing through two points is the ratio between the difference of the y coordinates and the difference of the x coordinates. In formulas, you have

m(A,B) = \cfrac{\Delta y}{\Delta x}  = \cfrac{A_y-B_y}{A_x-B_x}

If you plug your values, you have

m(A,B) = \cfrac{\Delta y}{\Delta x} = \cfrac{-3-9}{2-2} = \cfrac{-12}{0}

which is undefined.

In fact, since the two points share the same x coordinate, the segment AB is vertical, and the slope is not defined for vertical lines.

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The curve with equation y = x - 3x + 1 is reflected in the x-axis.
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Answer:

Step-by-step explanation:

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7 0
3 years ago
Paula has $54. She bought some pencils, each costing $0.75, and a paper ream for $2.50. She is left with $42.50 after buying pen
8090 [49]

Answer:

12 pencils

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let no. of pencils bought be x.

54 - 0.75x - 2.50 = 42.50

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7 0
3 years ago
What is the factored form of x^3-1
polet [3.4K]

Answer:

the factors of x^3-1 are x^3 -1 = (x-1) (x^2 +x+1)\\

Step-by-step explanation:

We need to find factors of x^3 -1

x^3-1 \\(x)^3 -(1)^3\\We \,\, know\,\, a^3 -b^3 = (a-b) (a^2 +ab + y^2) \\So, \,\, using\,\, the \,\, formula\,\,\\Here\,\, a= x \,\,and\,\, b= 1\\(x)^3 -(1)^3 = (x-1) (x^2 +x+1)\\

So, the factors of x^3-1 are x^3 -1 = (x-1) (x^2 +x+1)\\

7 0
3 years ago
25 times 10 to the -3 power in scientific notation
Akimi4 [234]
The answer is :
25 × 10^-3 = 0.025
5 0
3 years ago
Help me complete it fast pls
andrew11 [14]

Answer:

AC < AB

Step-by-step explanation:

We can see just by looking at it, they are not the same length.

8 0
2 years ago
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