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iVinArrow [24]
3 years ago
13

Find the axis of symmetry for this parabola

Mathematics
1 answer:
mariarad [96]3 years ago
7 0

The axis of symmetry is 1.

To find this, do -b/2a, putting -8 in the place of b and -4 in the place of a. Proceed to solve to get 1.

The equation provided is vertex form, so to find the needed components, you need to solve for the vertex. To do so, implement 1 in as x and solve for the vertex.

The vertex is 1, -16.

(y - 16) = -4(x - 1)^2

Although it is not exactly vertex form, the only difference is that instead of it being +k at the end, it is subtracted with the y.

Hope this helps!

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(6x²-x-1)/(x-1) <br> How do I simplify this so it is not divided by anything?
a_sh-v [17]

Simplify:

The equation is already simplified =====>  (6x²     -     x      -     1)/(x        -    1)



Solve:

Solution   (6x²    -    x    -    1)/(x      -    1)    =======>   6x    +   5    +    4/x    -   1

Steps:

Apply Long Division on:  

(6x²    -   x   -   1)/(x    -   1)

Divide:

(6x²    -   x   -   1)/(x    -   1):          

(6x²    -   x   -   1)/(x    -   1)      =     6x    +    5x   -  1/x   -   1

=          6x     +    5x    -    1/x     -    1

Divide:

5x    -   1/x   -   1  

5x     -    1/x   -   1    

=        5     +     4/x     -   1

Answer      ======>    6x     +    5     +    4/x     -   1







Hope that helps!!!!!                                       : )

7 0
3 years ago
How do I find a parallel equation?​
STatiana [176]
Parallel are two equations that have the same slope but different y intercepts.

If the y intercepts are also the same, it is just the same line.
6 0
3 years ago
Simple answers please
charle [14.2K]

Answer:

  • A'(4, -4)
  • B'(0, -3)
  • C'(2, -1)
  • D'(3, -2)

Step-by-step explanation:

The coordinate transformation for a 270° clockwise rotation is the same as for a 90° counterclockwise rotation:

  (x, y) ⇒ (-y, x)

The rotated points are ...

  A(-4, -4) ⇒ A'(4, -4)

  B(-3, 0) ⇒ B'(0, -3)

  C(-1, -2) ⇒ C'(2, -1)

  D(-2, -3) ⇒ D'(3, -2)

_____

<em>Additional comment</em>

To derive and/or remember these transformations, it might be useful to consider where a point came from when it ends up on the x- or y-axis.

A point must have come from the -y axis if rotating it 270° CW makes it end up on the +x-axis. A point must have come from the x-axis if rotating it 270° makes it end up on the +y axis. That is why we write ...

  (x, y) ⇒ (-y, x) . . . . . . the new x came from -y; the new y came from x

4 0
2 years ago
Select all factors of the expression 6x2 – 140 – 40
Romashka [77]

Answer:

is their answer choices

5 0
3 years ago
Tyler's mom purchased a savings bond for Tyler. The value of the savings bond increases by 4% each year. One year after it was p
Alla [95]

Answer:

150

Step-by-step explanation:

Since the value of the bond increases by 4% each year and only 1 year passed by then the ROI is not compounded and we only need to find the value before the 4% was implemented. In order to add 4% to a value we would multiply that value by 1.04 which increases that value by 4%. So, to find the value before the interest was added we would need to divide the new value by 1.04 instead.

$156 / 1.04 = $150

Finally, we can see that the value of the bond when Tyler's mom purchased it was 150

6 0
3 years ago
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