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jarptica [38.1K]
3 years ago
13

The graph of the equation below is a hyperbola. In which direction does the hyperbola open? X^2/13^2-Y^2/7^2=1 ______

Mathematics
1 answer:
Slav-nsk [51]3 years ago
4 0
It is up and down. Solve for y then graph.  A good online graphing calculator is Desmos.  You just type in the equation once you have it equal to y just don't type in the y= part.  See attachment.

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Anettt [7]

Answer:

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Step-by-step explanation:

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Bad White [126]

Answer:

7y - 28

Step-by-step explanation:

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4 0
3 years ago
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AlladinOne [14]
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2 years ago
Read 2 more answers
3x+4y-3z=4;5x-y+2z=3;x+2y-z=-2 Solving Systems in three variables​
Harlamova29_29 [7]

Answer:  x = 3, y = 1, z = 2

<u>Step-by-step explanation:</u>

EQ 1:   x  -   y  - z = 0

EQ 3:<u> -x + 2y + z =  1 </u>

                  y       = 1

EQ 2: 2x - 3y + 2z = 7  →  1(2x - 3y + 2z = 7)  →  2x - 3y + 2z = 7

EQ 3:  -x + 2y +  z = 1   → -2( -x + 2y +  z = 1)  → <u>-2x + 4y + 2z = 2</u>

                                                                                      y + 4z = 9

                                                                    y = 1  ⇒     1  + 4z = 9

                                                                                            4z = 8

                                                                                              z = 2

Input y = 1 and z = 2 into one of the equations to solve for x:

EQ 1: x - y - z = 0

        x - (1) - (2) = 0

        x - 3 = 0

        x = 3

Check:

EQ 2: 2x - 3y + 2z = 7

         2(3) - 3(1) + 2(2) = 7

          6    -  3    +  4    = 7

                3        +  4    = 7

                               7   =  7   \checkmark

6 0
3 years ago
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