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stinematesa
14.02.2021 •
Mathematics
Find all points on the x-axis that are 14 units from the point (4, -7). (Simplify your answer. Type an ordered pair. Use a comma to separate answers as needed.)
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Ответ:
The points are: (16.12,0),(-8.12,0).
Step-by-step explanation:
Solving a quadratic equation:
Given a second order polynomial expressed by the following equation:
This polynomial has roots
such that
, given by the following formulas:
Distance between two points:
Suppose we have two points,
and
. The distance between them is given by:
Find all points on the x-axis that are 14 units from the point (4, -7).
Being on the x-axis mean that they have y-coordinate equal to 0, so the point is (x,0).
The distance is 14. So
So![a = 1, b = -8, c = -131](/tpl/images/1118/7467/71faa.png)
The points are: (16.12,0),(-8.12,0).
Ответ:
1. variable
2.value
3. integers
4. whole numbers
5.natural numbers
6. rational numbers