Hi I need help can somone also give me and explain or how to work out the answer
1 answer:
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They are perpendicular because when you change 2x+8y=16 to slope intercept form it becomes y= -1/4x+2 and the slope (-1/4) is the negative reciprocal of 4, which is the slope for your other equation.
Please comment if you have any questions :)
Please comment if you have any questions :)