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Pie
3 years ago
15

Write y = 2x2-12x+25 in vertex form, plz show work.

Mathematics
1 answer:
SashulF [63]3 years ago
7 0

Answer:

65

Step-by-step explanation:

this is how I got my answer

I first took 2×2=4 then I took 4-12 and got 8×25 that's when I got 40 the plus 40+25 once again using 25 and that's how I got 65

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Solve by substitution ANSWER NOW
Maslowich
Y = -5x + 9
y = 5x + 7

5x + 7 = -5x + 9
5x + 5x = 9 - 7
10x = 2
x = 2/10 reduces to 1/5

y = 5x + 7
y = 5(1/5) + 7
y = 1 + 7
y = 8

solution is (1/5,8)
5 0
3 years ago
What is 12 / 2/3 ? nothing pops up when i search it and i have a module exam!
slavikrds [6]

Answer:

18

Step-by-step explanation:

Yur Welcome

4 0
3 years ago
Which ordered triple is a solution of this system?
liraira [26]
The problem is an example of systems of linear equation with 3 variables.
In order for us to get  the solutions, we need to use Elimination.
(1) Add the two equations to get z
-x-2y+4z=-15
x+2y-5z=17
--------------------
-z = 2
z = -2

Then lets multiply <span>2x+y-z=7 </span> by 2
--> 4x + 2y - 2z = 14

Then add it -x-2y+4z=-15
4x + 2y - 2z = 14
-x-2y+4z=-15
-----------------
-3x + 2z = -1

Substitute z to that equation
-3x + 2(-2) = -1
-3x - 4 = -1
-3x = 3
x = 1

Then, using this equation <span>2x+y-z=7, substitute z and x
</span>2(1) + y -(-2) = 7
2 + y +2 = 7
y = 7 -4
y = 3

So, the final answer is <span>B.(1,3,-2)</span>
5 0
3 years ago
Determine the equation of the parabola graphed below. Note: be sure to consider the negative sign already present in the templat
Blizzard [7]

The equation of the graphed parabola is y=a(x+3)^{2}-4.

Given that parabola is plotted, concave up , with vertex located at coordinates (-3,-4).

We are required to find the equation of the graphed parabola.

The equation of a quadratic function of vertex (h,k) is given by:

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

In the above equation a is the leading coefficient.

We have been given point (-3,-4).

We have to just put the value of h=-3 and k=-4 and the required equation will be as under:

y=a(x+3)^{2}-4

Hence the equation of the parabola which is plotted, concave up, with vertex located at coordinates (-3,-4) is y=a(x+3)^{2}-4.

Learn more about parabola at brainly.com/question/64712

#SPJ4

6 0
2 years ago
Plzzzzzz help me do this
NISA [10]

Answer:

23 1/24 on each side

6 0
4 years ago
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