Question

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Answer 1

$\huge \rm༆ Answer ༄$

To find slope we use the formula ~

• $\sf \dfrac{y2 - y1}{x2 - x1}$

[ Ratio of the difference of y - coordinates of the points and the difference of x - coordinates of the points ]

let's find the slope of line passing through the given points ~

1. (10 , -9) and (-4 , -14)

• $\sf \dfrac{ - 9 - ( - 14)}{10 - ( - 4)}$

• $\sf \dfrac{ - 9 + 14}{10 + 4}$

• $\sf \dfrac{5}{14}$

2. (16 , 6) and (-4 , -14)

• $\sf \dfrac{6 - ( - 14)}{16 - ( - 4)}$

• $\sf \dfrac{6 + 14}{16 + 4}$

• $\sf \dfrac{20}{20}$

• $\sf1$

3. (9 , -4) and (5 , -20)

• $\sf \dfrac{ - 4 - ( - 20)}{9 - 5}$

• $\sf \dfrac{ - 4 + 20}{4}$

• $\sf \dfrac{16}{4}$

• $\sf4$

4. (-13 , 20) and (-18 , 20)

• $\sf \dfrac{20 - 20}{ - 13 - ( - 18)}$

• $\sf\dfrac{0}{ - 13 + 18}$

• $0$

I hope it helps ~

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$꧁ \: \: \large \rm{kaul} \: ꧂$