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Back to OCR Maths Higher June 2018 Paper 6 Home
​Q5: Answers – Paper 6 – June 2018
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Content:
  • Part A) Finding the Equation of a Line – 2 Points
  • Part B) Finding the Equation of a Quadratic from a Graph (example 2)
  • Part C) Types of Triangles​
Quizzes:
  • Part A) Finding the Equation of a Line – 2 points
  • Part B) Finding the Equation of a Quadratic from a Graph (question 5 & 6)
  • Part C) Types of Triangles

Mark Scheme
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Picture

Working
The diagram shows a straight line that passes through points A and B, and a curve that passes through points P and Q.
Picture
a) Find the equation of the straight line. ​
Picture
Picture
Picture

b) The equation of the curve is y = x2 + kx + 8.

Find the value of k.

Picture
Picture

​c) Diann draws line BQ.

​She says
"Triangle ABQ is isosceles."

Is Diann correct?
You must show all your working.
Picture
Picture

Question
5) The diagram shows a straight line that passes through points A and B, and a curve that passes through points P and Q.
Picture
a) Find the equation of the straight line. 
[3 marks]
​

b) The equation of the curve is y = x2 + kx + 8.

Find the value of k.

[3 marks]

c) Diann draws line BQ.
​She says
"Triangle ABQ is isosceles."

Is Diann correct?
You must show all your working.
[4 marks]
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