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Veseljchak [2.6K]
3 years ago
5

Why can't we keep our education on our electronic devices instead of carrying a heavy bookbag?

Mathematics
2 answers:
OleMash [197]3 years ago
6 0
The electronics would probably hurt your eyes after a while plus if you didnt carry a bag then you would be very weak
Just dont put too much in the bag because you dont want to hurt yoyir back
Lesechka [4]3 years ago
3 0
Teachers and principles probably still want to keep school a little old fashioned while still having little technology by the next year or 2 we'll might not have to carry heavy backpacks anymore I wish you the best of luck. 
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Sunny_sXe [5.5K]

Answer:

Part 1) "a" value is 2

Part 2) The vertex is the point (1,8)

Part 3) The equation of the axis of symmetry is x=1

Part 4) The vertex is a minimum

Part 5) The quadratic equation in standard form is y=2x^{2}-4x+10

Step-by-step explanation:

we know that

The equation of a vertical parabola into vertex form is equal to

y=a(x-h)^{2}+k

where

(h,k) is the vertex of the parabola

if a > 0 then the parabola open upward (vertex is a minimum)

if a < 0 then the parabola open downward (vertex is a maximum)

The equation of the axis of symmetry of a vertical parabola is equal to the x-coordinate of the vertex

so

x=h

In this problem we have

y=2(x-1)^{2}+8 -----> this is the equation in vertex form of a vertical parabola

The value of a=2

so

a>0 then the parabola open upward (vertex is a minimum)

The vertex is the point (1,8)

so

(h,k)=(1,8)

The equation of the axis of symmetry is x=1

The equation of a vertical parabola in standard form is equal to

y=ax^{2}+bx+c

Convert vertex form in standard form

y=2(x-1)^{2}+8

y=2(x^{2}-2x+1)+8

y=2x^{2}-4x+2+8

y=2x^{2}-4x+10

see the attached figure to better understand the problem

7 0
3 years ago
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Answer: the rate change is 1/3

Step-by-step explanation: because its going up 1/3 not down.


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3 years ago
Read 2 more answers
Consider the absolute value
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Answer:

Step-by-step explanation:

f(x) = - | x + 2 | + 2

The vertex of the function is a <em>max of the function</em> at <em>( - 2 , 2 )</em>

7 0
1 year ago
F(x) = 2(x+3)2 -7<br><br><br> a= <br><br> h=<br><br> k=
vlabodo [156]

Answer:

Step-by-step explanation:

In vertex form, the equation is

y = a(x-h)^2 + k

So just read off the values!

6 0
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I believe it is 24 batches:

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