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IrinaVladis [17]
2 years ago
14

Find the value of x.

Mathematics
1 answer:
grandymaker [24]2 years ago
8 0
I think X is 2. But I am not sure, cuz I don’t know what you teacher is really asking you to do.

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Find all x and y intercepts of the graph of the function f(x)= 2x^3+6x^2-2x-6
topjm [15]

9514 1404 393

Answer:

  • y-intercept: (0, -6)
  • x-intercepts: (-3, 0), (-1, 0), (1, 0)

Step-by-step explanation:

We notice the first pair of coefficients is the same as the last pair (with the sign changed). This means we can factor by grouping.

  f(x) = (2x^3 +6x^2) -(2x +6)

  f(x) = 2x^2(x +3) -2(x +3)

  f(x) = 2(x^2 -1)(x +3) = 2(x -1)(x +1)(x +3)

The factors are made to be zero when x is 1, -1, or -3.

The x-intercepts are (1, 0), (-1, 0), (-3, 0).

The y-intercept is the constant, -6.

4 0
2 years ago
Help me pls guys! im being timed and need some help!
Agata [3.3K]

Answer:

B.

Step-by-step explanation:

she only has $60 to spend therefore, she has the option of spending all of it, or less. However she cannot spend money she doesn't have.

4 0
2 years ago
Read 2 more answers
What is the distance between (4,2) and (-1,-3)
Sati [7]
<h2>Solving for the Distance between two Points</h2><h3>Answer:</h3>

5 \sqrt{2} or 7.071

<h3>Step-by-step explanation:</h3>

<em>Please refer to my answer from this Question to know more about distances between two points: <u>brainly.com/question/24629826</u></em>

Given:

(4,2)

(-1,-3)

Solving for the Distance:

\sqrt{(4-(-1))^2 +(2 -(-3))^2} \\ \sqrt{(4 +1)^2 +(2 +3)^2} \\ \sqrt{5^2 +5^2} \\ \sqrt{25 +25} \\ \sqrt{50} \\ \sqrt{25 \cdot 2} \\ 5 \sqrt{2}

<u>Note:</u>

5 \sqrt{2} \approx 7.071

4 0
2 years ago
If $380 is invested for one year at 13% simple interest, how much interest is earned?
pashok25 [27]

Answer: $49.4

Step-by-step explanation:

Simple interest is calculated thus:

Principal × Rate × Time

Principal= $380

Rate= 13%= 13/100=

Time= 1

Therefore interest earned =380× 0.13×1

=$49.4

7 0
3 years ago
In a lottery game, a player picks 7 numbers from 1 to 49. If 6 of the 7 numbers match those drawn, the player wins second prize.
Yuliya22 [10]

Answer:

,t,त्ल्ह्त?एकता !लोकतान्त्रिक फंत्त

6 0
3 years ago
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