Mathematics
Grade10
Easy

Question

Given y-6 = -2 (x+5), Identify the point used to write this equation.

  1. (-5,6)
  2. (-5,1)
  3. (-10,1)
  4. (6,6)

Hint:

Given the equation in point slope form
y - y1 = m( x - x1 )  , the point used will be ( x1 , y1 ) .

The correct answer is: (-5,6)


     Given equation y - 6 = -2(x + 5).
    Step 1 : in point slope form y - y1 = m( x - x1 )  ,
    the point used will be ( x1 , y1 ) .
    rewriting  y - 6 = -2(x -(-5)).
    Step 2 : ON comparing
    x1 = -5 and y1 = 6
    So , Point is (-5,6).

    the number which appears after x and y will be the x and y coordinate used to write the equation .

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