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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?

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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Given the quadratic equation <img src="https://tex.z-dn.net/?f=y%20%3D%202%28x%20-1%29%5E%7B2%7D%20%2B%208" id="TexFormula1" tit

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

What is the rate of change of the function? <br> -3<br> -1/3 <br> 1/3<br> 3

sweet-ann [11.9K]

Answer: the rate change is 1/3

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

3 0

3 years ago

Read 2 more answers

Consider the absolute value

ICE Princess25 [194]

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

3 years ago

Isabella backed cookies for 3 hours. She spent the same amount of time baking each batch. It took her one eighth an hour to bake

katovenus [111]

I believe it is 24 batches:

because there are 8/8 in one hour, so you multiply that by three. which would give you 24!

5 0

3 years ago