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kobusy [5.1K]
3 years ago
7

I need help understanding it. The notes my teacher gave me aren't helping

Mathematics
2 answers:
Ierofanga [76]3 years ago
6 0
Because this is x^2 it will be a parabola. The easiest way to do this (when given in standard form) is to go to your table function on your graphing calculator. You can tell what the vertex is because the y value will repeat (1, 0, 1).

So here is some of the table

0  9
1  4
2  1
3  0
4  1
5  4
6  9
7  16

So first plot the vertex (4,1) and then plot some of the other points on the graph and connect the dots.


Colt1911 [192]3 years ago
5 0
I believe you go on the x-axis on -6 and go up to 9. I could never be certain for I just learned this but I believe that is what it is..
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(2x2 + 5x - 7) + ( 3 - 4x2 + 6x)
velikii [3]

\qquad\qquad\huge\underline{{\sf Answer}}♨

Here's the solution :

\qquad \sf  \dashrightarrow \:(2 {x}^{2}  + 5x - 7) + (3 - 4 {x}^{2}  + 6x)

\qquad \sf  \dashrightarrow \: 2{x}^{2}  + 5x   - 7 + 3 - 4 {x}^{2}  + 6x

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3 0
2 years ago
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Leni [432]

Answer:

ohhh

Step-by-step explanation:

3 number 3 I know that is the answer

5 0
3 years ago
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Andrei [34K]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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A man has mislaid his wallet. He thinks there is a 0.4 chance that the wallet is somewhere in his bedroom, a 0.1 chance it is in
lana [24]

Answer:

a. Probability = 0.15

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Step-by-step explanation:

Given

P(Bedroom) = 0.4

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This is calculated by subtracting the sum of given probabilities from 1.

Probability = 1 - (0.4 + 0.1 + 0.2 + 0.15)

Probability = 1 - 0.85

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This is calculated as:

Probability = P(Bedroom) + P(Kitchen)

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6 0
3 years ago
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ipn [44]
You have to multiplying 10x10 giving you 20 dividing six hours to 20. Then that answer divied by 5.

There's your answer :)
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