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The points (1, 2), (2, k) and (4, 8) lie on one line… | StemPy Lab

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The points (1, 2), (2, k) and (4, 8) lie on one line. What is k?

MathematicsMediumHigh School (11–12)Algebra › Matrices and Determinants A-Level AEEE (Amrita)AMUEEE AP EAPCET BCECE COMEDK UGET CUET UG GUJCET IB JCECE JKCET KCET KEAM KIITEE LPUNEST MET (Manipal)MHT-CET OJEE SRMJEEE TS EAPCET UPESEAT VITEEE

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The points $(1, 2)$ , $(2, k)$ and $(4, 8)$ lie on one line. What is $k$ ?

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