Here are the equations of 5 straight lines.
P:y=3x+4 P: y = 3x + 4 P:y=3x+4 Q:y=−3x+4 Q: y = -3x + 4 Q:y=−3x+4 R:y=x+4 R: y = x + 4 R:y=x+4 S:y=−13x+5 S: y = -\frac{1}{3}x + 5 S:y=−31x+5 T:y=13x+2 T: y = \frac{1}{3}x + 2 T:y=31x+2Write down the letter of the line that is parallel to y=x+7y = x + 7y=x+7
130 exam-style questions on Eduqas GCSE Maths Perpendicular Lines and the equation of a tangent. Each one has a worked solution and a mark scheme showing where the marks go.