Translations and reflections of function graphs
3 exam-style questions. Answers and the mark for each step are on the last page.
- Question 1
The curve has a turning point at .
(a) Write down the coordinates of the turning point of .
(b) Write down the coordinates of the turning point of .
(c) Write down the coordinates of the turning point of .
(d) Write down the coordinates of the turning point of .
- Question 2
(a) f(x) = 6x + 5. Find the coordinates of the maximum point on the graph y = (x 2) + 7.
- Question 3
The curve y = f(x) passes through A(-2, 0), B(1, 4) and C(3, 0).
(a) Write down the coordinates of the image of B on the curve y = f(x + 2).
(b) Write down the coordinates of the image of B on the curve y = -f(x).
(c) Write down the solutions of f(x - 1) = 0.
Answers and marks
Question 1
(a)
- B1 The correct answer, .
(b)
- B1 The correct answer, .
(c)
- B1 The correct answer, .
(d)
- B1 The correct answer, .
Question 2
(a)
- P1 Establishing or an equivalent valid method.
- P1 Establishing or an equivalent valid method.
- A1 Correct answer:
Question 3
(a)
- B1 Correct answer:
(b)
- B1 Correct answer:
(c)
- B1 Correct answer: