If the mid point of the line segment joining the points (_7,14)&(k,4)is a (a,b) ,where2a + 3b = 5 ,find the value of k
Answers
Answered by
0
x¹+x²÷2,y¹+ y²÷2=a,b
7+k÷2,14+4÷2=a,b
7+k÷2,9=a,b
7+k÷2=a.........(1)
9=b..,...........(2)
2a +3b=5
2a+3×9=5
2a=5-27
a=-22÷2
a=-11
put value of a in eq.1
7+k÷2=a
7+k÷2=-11
k=-22-7
k=-29
7+k÷2,14+4÷2=a,b
7+k÷2,9=a,b
7+k÷2=a.........(1)
9=b..,...........(2)
2a +3b=5
2a+3×9=5
2a=5-27
a=-22÷2
a=-11
put value of a in eq.1
7+k÷2=a
7+k÷2=-11
k=-22-7
k=-29
Similar questions