How would you get the answer to this?

Mathematics

1 answer:

Wittaler [7]4 years ago

6 0

So the fliping over the y-axis you would count how many spaces it is to the y-axis then count that many on the other side do the same with all three points. for the x-axis do the same as you did for y. for rotating it 90 degrees clockwise you would flip the numbers of your coordinates other points and swap the x sign
example: -5,-6 it is now -6,5 or if you had -4,6 it is now 6,4

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hjlf

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A student worked out the following problem to find

polet [3.4K]

We have that

y=x²+3x-5
y=4x+1

using a graph tool
see the attached figure

the solution are the points
(-2,-7)
(3,13)

the solution obtained by the student
(-2,0)
(3,0)
is incorrect because the values of the coordinate y are incorrect
the values of x are correct
x1=-2
x2=3

with those values of x obtained, the student had to substitute it in any of the two equations to obtain the value of y
so
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for x=-2
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7 0

4 years ago

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Kamila [148]

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4 0

3 years ago

Read 2 more answers