Question

The slope of the line passing through the points (7, 5) and (21, 15) is (BLANK)
.

Another line with a slope that is one-third that of the slope you just calculated passes through the origin and the point (BLANK)
.

Answer 1

Hii,

Answer:

option ( a ) - 5 / 7

Step-by-step explanation:

Let points,

A ( x1 , y1 ) = ( 7 , 5 )

B ( x2 , y2 ) = ( 21 , 15)

Let the slope of l(AB) be m1

therefore,

m1 = ( y2 - y1 ) / ( x2 - x1 )

= ( 15 - 5 ) / ( 21 - 7 )

= 10 / 14

m1 = 5 / 7

option ( a ) - 5 / 7

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