michaelchavez6959127
25.08.2019 •
Mathematics
Which of the following constants can be added to x^2 + 2/3x to form a perfect square trinomial?
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Ответ:
2/3 times 1/2=1/3
square 1/3 to get 1/9
the constnat is 1/9
it would factor to (x+1/3)^2
Ответ:
is to be added to make a perfect square trinomial as
Step-by-step explanation:
Given :
We have to find what can be added to to form a perfect square trinomial.
Perfect square trinomial is of the form
Consider the given expression
Using algebraic identity ,
Comparing , we get, a = x ......(1)
Uisng (1) , we get,
To make it a perfect square trinomial we need to add term
Thus, is to be added to make a perfect square trinomial as
Ответ:
The nearest distance between the two points (-6,5) and (-1,-7) is 13 units, which obtained by graphical and formula method.
Step-by-step explanation:
The given is,
Two points are (-6,5) and (-1.-7)
Step:1
By graphical method,
Locate the points (-6,5) and (-1,-7) in the graph.
First point (-6,5)
The values x=-6 and y=5 noted in the graph
Second point (-1, -7)
The values x=-1 and y=-7 noted in the graph
Now join the two points, measure the distance between two points,
Distance between two points are 13 units, some times it becomes 12,99 or 13.1 we need to convert the answer in nearest whole number.
( OR )
Step:1
By formula method,
Distance =
Where,
(-6, 5) are ()
(-1,-7) are ()
From equation,
=
=
=
=
Distance = 13
Result:
The nearest distance between the two points (-6,5) and (-1,-7) is 13 units, which obtained by graphical and formula method.