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FrozenT [24]
3 years ago
6

A line passes through (2,4) and (-2,2).

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
7 0

Answer:

a) (6;6)

b) Yes

d) The intersection is on the vertical axis.

Step-by-step explanation:

a) A(2,4)

B (2,2)

Vecto BA (4, 2)

Vecto n (-4,2)

We have:

(2 - 4) x (X - (-2)) + (2 - (-2)) x (Y - 2) = 0

=> -2X + 4Y - 12 = 0

=> Y = X/2 +3

Let's find the value of y if (6,y) lies on the  plane:

Put X = 6 => Y = 6

b)

X/2 + 3 = 3 - X

=> X/2 = -X

=> X =0 -> Y = 3

C (0;3)

d) The intersection is on the vertical axis.

I hope my answer will help you.

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90    +    -1    =    -91  

     -45    +    -2    =    -47  

     -30    +    -3    =    -33  

     -18    +    -5    =    -23  

     -15    +    -6    =    -21  

     -10    +    -9    =    -19  

     -9    +    -10    =    -19  

     -6    +    -15    =    -21  

     -5    +    -18    =    -23  

     -3    +    -30    =    -33  

     -2    +    -45    =    -47  

     -1    +    -90    =    -91  

     1    +    90    =    91  

     2    +    45    =    47  

     3    +    30    =    33  

     5    +    18    =    23  

     6    +    15    =    21  

     9    +    10    =    19

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