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cupoosta [38]
3 years ago
10

What is the equation of the parabola shown in the graph

Mathematics
1 answer:
Lapatulllka [165]3 years ago
3 0

Answer:

E. x=\frac{y^{2}}{8}+\frac{y}{2} +\frac{9}{2}

Step-by-step explanation:

I graphed each of the equations on a graph and found that equation E matched the graph. I graphed equation E on the graph below.

If this answer is correct, please make me Brainliest!

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Find the general term of sequence defined by these conditions.
disa [49]

Answer:

\displaystyle  a_{n}  =     (2)^{2n -1}   -   (3) ^{n-1 }

Step-by-step explanation:

we want to figure out the general term of the following recurrence relation

\displaystyle \rm a_{n + 2} - 7a_{n + 1} + 12a_n = 0  \:  \: where :  \:  \:a_1 = 1 \: ,a_2 = 5,

we are given a linear homogeneous recurrence relation which degree is 2. In order to find the general term ,we need to make it a characteristic equation i.e

  • {x}^{n}  =  c_{1} {x}^{n - 1}  + c_{2} {x}^{n - 2}  + c_{3} {x}^{n -3 } { \dots} + c_{k} {x}^{n - k}

the steps for solving a linear homogeneous recurrence relation are as follows:

  1. Create the characteristic equation by moving every term to the left-hand side, set equal to zero.
  2. Solve the polynomial by factoring or the quadratic formula.
  3. Determine the form for each solution: distinct roots, repeated roots, or complex roots.
  4. Use initial conditions to find coefficients using systems of equations or matrices.

Step-1:Create the characteristic equation

{x}^{2}  - 7x+ 12= 0

Step-2:Solve the polynomial by factoring

factor the quadratic:

( {x}^{}  - 4)(x - 3) =  0

solve for x:

x =  \rm 4 \:and \: 3

Step-3:Determine the form for each solution

since we've two distinct roots,we'd utilize the following formula:

\displaystyle a_{n}  = c_{1}  {x} _{1} ^{n }  + c_{2}  {x} _{2} ^{n }

so substitute the roots we got:

\displaystyle a_{n}  = c_{1}  (4)^{n }  + c_{2}  (3) ^{n }

Step-4:Use initial conditions to find coefficients using systems of equations

create the system of equation:

\begin{cases}\displaystyle 4c_{1}    +3 c_{2}    = 1  \\ 16c_{1}    + 9c_{2}     =  5\end{cases}

solve the system of equation which yields:

\displaystyle c_{1}  =  \frac{1}{2}     \\  c_{2}   =   - \frac{1}{3}

finally substitute:

\displaystyle  a_{n}  =  \frac{1}{2}   (4)^{n }   -  \frac{1}{3}  (3) ^{n }

\displaystyle \boxed{ a_{n}  =    (2)^{2n-1 }   -   (3) ^{n -1}}

and we're done!

7 0
3 years ago
On a snow day, Owen created two snowmen in his backyard. Snowman A was built to
faust18 [17]

Answer:

<u>The equations for each function:</u>

  • A(t) = 60 - 6t
  • B(t) = 42 - 3t

<em>The lines plotted, see attached</em>

<u>The point at which both the snowmen have same height:</u>

  • 60 - 6t = 42 - 3t
  • 6t - 3t = 60 - 42
  • 3t = 18
  • t = 6

<u>The required interval is </u>

  • t = [0, 6)

7 0
3 years ago
The linear equation x=5 would be a graph of a..
Lelechka [254]

Thw answer to your Problem would be A

7 0
3 years ago
Combine like terms,<br><br> 1)c+19-4<br><br> 2)m+12-10
rewona [7]
1) Would be c+15 because you can combine 19-4

2) Would be m+2 because you can combine 12-10
8 0
3 years ago
Read 2 more answers
Mai has picked 1 cup of strawberries for a cake which is enough for 3/4 of the cake. How many cups does she need for the whole c
Vaselesa [24]

Answer:Mai has picked 1 cup of strawberries for a cake which is enough for 3/4 of the cake. How many cups does she need for the whole cake?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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