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vampirchik [111]
3 years ago
9

Brenda observes the the keyboard and the screen of an open laptop lie on two different places in how many lines do the planes co

ntaining the keyboard and screen intersect
Mathematics
1 answer:
Margarita [4]3 years ago
5 0
The keyboard and screen intersect in just one line.

The intersection of 2 different planes is always a straight line. Imagine where the screen and the keyboard meet. It is a horizontal line from left to right as you are looking at the middle of your laptop.
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Y=3x²+3x+1,find the value of the discrimination​
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Answer:

Step-by-step explanation:

a = 3

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Discriminate = sqrt(9 - 4*3*1)

Discriminate = sqrt(9 - 12)

Discriminate = sqrt(-3)

What negative value means that there are no real roots and the y intercept = 1. You should always graph this kind of question, which I am doing for you. I use Desmos which is a very handy program.

You should notice that the minimum is above the x axis. That means there are no real roots, just as the discriminate tells you.

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Answer:

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<em>Answer:</em>

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