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poppy4195
19.08.2019 •
Mathematics
Idon't get adding integers with different
5+(-2)=?
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Ответ:
Ответ:
5 + (-2)
"Five plus the quantity negative two."
Adding a negative quantity is the same as subtracting the positive quantity.
For example: 0 + (-1) = 0 - 1 = -1
Another situation: 0 - (+1)
You have to realize that any number (say 5, for example) without a sign in front of it is automatically positive.
Technically, if we "show signs," we will get +0 - (+1)
We can really just omit ("hide signs") the positive signs.
0 - 1 = -1
Yet another situation: 0 - (-1)
Subtracting a negative can be re-worded as "subtracting from the negative." It sounds like it is taking away from the negative, bringing the integer closer to zero. Subtracting a negative is the same as adding a positive.
0 - (-1) = 0 + (+1) or 0 + 1 = 1
In your case: 5 + (-2):
5 + (-2) = 5 - 2 or 3 or +3
Ответ:
The y-intercept is the point (0,5)
Step-by-step explanation:
we know that
The y-intercept is the value of y when the value of x is equal to zero
In this problem the value of y is a constant for all values of x
so
For x=0
The value of y=5
therefore
The y-intercept is the point (0,5)