The table represents a linear equation. Which equation shows how (–10, 8) can be used to write the equation of this line in point-slope form? y – 8 = –0.15(x – 10) y + 8 = –0.15(x – 10) y – 8 = –0.2(x + 10) y + 8 = –0.2(x – 10)

Answers

Use the formula : y – a = m (x – b) We will use -10 as a and 8 as b. Using the next given points in the table, we will compute for the slope or m. So 7 will be y and - 5 will be x. Substitute. Solution: y – a = m (x – b) y – 8 = m (x + 10) 7 – 8 = m (-5 + 10)      - 1 = m 5      m = - 1 / 5 or - 0.2 Final Equation: y – 8 = –0.2 (x + 10) Note: this is the answer if your table is the same as the attached image.


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