This is the working for part 3, ask if you don’t fully understand it
For the first question you need to rearrange the equation and it should give you 1/2x +3=y, this would make 1/2 the gradient. A line perpendicular would have a gradient that is the negative reciprocal so the gradient would be -2.
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This is the working for part 3, ask if you don’t fully understand it
For the first question you need to rearrange the equation and it should give you 1/2x +3=y, this would make 1/2 the gradient. A line perpendicular would have a gradient that is the negative reciprocal so the gradient would be -2.