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+7 S: y = -\frac{1}{3}x + 7 S:y=−31x+7 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+8y = x + 8y=x+8
Write down the letter of the line that is perpendicular to y=3x−1y = 3x - 1y=3x−1 Hence, write down the gradient of this line.
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.