------------------------------------------------------------------------------------------ Equation ------------------------------------------------------------------------------------------ y = -3x - 9
------------------------------------------------------------------------------------------ Option 1 ------------------------------------------------------------------------------------------ If I substitute x = -9, I should get y = 0
When x = -9 y = -3 (-9) - 9 = 18 (I did not get 0, wrong)
------------------------------------------------------------------------------------------ Option 2 ------------------------------------------------------------------------------------------ If I substitute x = -3, I should get y = 0 y = -3(-3) - 9 y = 9 - 9 y = 0 (Yes, I got 0, correct)
------------------------------------------------------------------------------------------ Option 3 ------------------------------------------------------------------------------------------ If I substitute x = 0, I should get y = -3 y = -3 (0) - 9 y = 0 - 9 y = -9 (I did not get -3, wrong)
------------------------------------------------------------------------------------------ Option 4 ------------------------------------------------------------------------------------------ If I substitute x = 0, I should get y = -9 y = -3 (0) - 9 y = 0 - 9 y = -9 (Yes, I got -9, correct)
------------------------------------------------------------------------------------------ Answer: (-3, 0) and (0, 9) are ordered pairs of the equation (Answer B, D) ------------------------------------------------------------------------------------------
