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point a has coordinates of (3.6)
A) write down the coordinates of point B
B) find the gradient of line AB

point a has coordinates of 36 A write down the coordinates of point B B find the gradient of line AB class=

Respuesta :

Answer:

see explanation

Step-by-step explanation:

(a)

The coordinates of point B (7, 1 )

Calculate the slope using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = A (3, 6 ) and (x₂, y₂ ) = B (7, 1 )

[tex]m_{AB}[/tex] = [tex]\frac{1-6}{7-3}[/tex] = [tex]\frac{-5}{4}[/tex] = - [tex]\frac{5}{4}[/tex]

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