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amid [387]
4 years ago
14

Calculate the slope between the two points: (7, –4), (7, 8)

Mathematics
1 answer:
Valentin [98]4 years ago
7 0

Answer:

undefined

Step-by-step explanation:

We can find the slope by using the formula

m = (y2-y1)/(x2-x1)

m = (8 - -4)/97-7)

   = (8+4)/(7-7)

   = 12/0

We cannot divide by 0 so the slope is undefined

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(4a2 - 3b2)(16a4 +12a2b2 + 9b4)
Lynna [10]

Answer: the simplify anwser is 64a^ 6 - 27b^6

Step-by-step explanation:

5 0
3 years ago
The function f(x)=startroot -x endroot is shown in the graph. Which statement is correct?
Nutka1998 [239]

Answer:

B. The domain of the graph is all real numbers less than or equal to 0

Step-by-step explanation:

First, let's find the domain.

(negative infinity, 0} or All real numbers less than or equal to 0

Second, range.

[0, positive infinity) or All real numbers greater than or equal to 0

Right off the bat we can eliminate A, C, and D. We are left with choice B. as the answer.

8 0
4 years ago
Read 2 more answers
Let f = {(x, y) ∈ R × R | xy = 2x + y + 1} There is at least one x ∈ R with no y ∈ R. Find all such problematic x ∈ R. Then rest
loris [4]

Answer:

Problematic x is x = 1

Step-by-step explanation:

Equation:

xy= 2x + y + 1

xy - y = 2x + 1

y(x-1) = 2x + 1

y = (2x+1)/(x-1)

The problematic x is such that when the denominator of the function is 0

x - 1 = 0

x = 1 (the problematic x)

So the domain of f is: x is the subset of R (real number) with the exception of x =/ 1 (x not equal to 1)

To prove this, we can plot the graph and in the graph we can see that as the value of x approaches from negative values to 1, y value will approaches negative infinity, and as the value of x approaches from large positive numbers, y value approaches infinity.

In other words, we'll see an assymptote at x=1

To prove that it is a function, we can do vertical line test by drawing vertical lines accross the graph. We'll see that each line crosses the equation line once hence proving the equation as a function

5 0
3 years ago
Write the number as a percent.<br> 3/20
GuDViN [60]

Answer:

15%

Step-by-step explanation:

not that hard just make it a decimal then at the point go back twice and there its 15%

7 0
3 years ago
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Which pair of angles are vertical angles?
Ivenika [448]

Answer:

ERT & MRC

Step-by-step explanation:

Vertical angles are angles that are right across from each other.

6 0
3 years ago
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