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kotegsom [21]
1 year ago
10

Does anyone know the answer to X - 5y

Mathematics
1 answer:
Gekata [30.6K]1 year ago
7 0

Answer:

Slope is 1/5
y intercept is (0,0)

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I need help for #1 (an explanation would be great too).
Ivan

Answer:

±6i√2

Step-by-step explanation:

Recall that the square root of a negative number is imaginary, which is shown by the use of "i."

Examples:  √4 = ±2; √4 = i√4 = ±i2

Then √72 = ±√36√2 = ±6√2, and

   

      √(-72) = ± i√36√2 = ±6i√2

         

Note that this is identical to the result shown in the problem:  √(36·2·(-1) )

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3 years ago
Which inequality has the solution shown?
juin [17]
The answer should be d
5 0
2 years ago
For what values of x:
Anna71 [15]

Answer:

x=5 and x=6

Step-by-step explanation:

4 0
3 years ago
A diver descend 15 feet below sea level. She then ascends 7 feet. What is the depth of the diver in terms of sea level
Angelina_Jolie [31]
8 feet below sea level because -15+7=-8
5 0
3 years ago
What is the possible number of positive and negative real roots or zeroes in f(x)=x^3+x^2-4
Tanya [424]

This is a third degree polynomial, so we know that the maximum amount of roots will be 3.

We also know that imaginary roots come in pairs, so there is either 0 or 2 imaginary roots.

We can tell the amount of positive / negative roots by applying Descartes' rule of signs.

Let's examine the polynomial: x^3 + x^2 - 4

Note the sign changes.

From left to right, there is one sign change.

We now know there is only one positive real root.

Now, we can replace all values of x with -1 and then simplify. The number of sign changes will tell us the amount of negative roots.

(-1)^3 + (-1)^2 - 4

-1 + 1 - 4

From left to right, there are two sign changes, which tells us there will be 2 or 0 negative roots.

If there are 2, they are not imaginary.

If there are 0, they are imaginary.

<h3>So, our guaranteed root is:</h3><h3>1 positive, real root.</h3><h3>And our possible roots are:</h3><h3>2 negative, real roots.</h3><h3>0 negative, real roots, but 2 imaginary roots.</h3>
3 0
2 years ago
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