Question

Question 2 , pls answer the above question​

Answer 1

Answer:

p=1

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Step-by-step explanation:

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Answer 2

Answer:

answer is p=-1

Step-by-step explanation:

given (-5,1) (1,p) (4,-2)

we have formula y1-y/x1-x= y2-y1/x2-x1

here (-5,1) is (x,y) (1,p) is (x1,y1) and (4,-2) is ( x2,y2)

substitute valuse in formula

(p-1)/(1-(-5)=(-2-p)/(4-1)

(p-1)/6=(-2-p)/3

(p-1)/2=(-2-p)

cross multiple

we get (p-1)=2(-2-p)

p-1= -4-2p

p+2p=-4+1

3p=-3

3 cancels and p= -1