Page 21 - ACE YR IGCSE A TOP APPR' TO ADD MATH
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14. The diagram shows the graph of a quadratic function f(x) = 2(x − a) + 3 where a is a constant.
2
y
(1, b)
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x
The curve y = f(x) has the minimum point (1, b). Find the values of a and b.
= – 1
2
[2]
15. Given that the graph of the quadratic function f(x) = 3x − 5x + p does not intersect the x-axis.
2
Find the range of values of p.
[3]
16. Solve the equation x (2√6 ) − 7x + √6 = 0 and express your answer in the form of a . Find
2
a and b, where they are both integers. √b
[3]
Cambridge IGCSE
TM
18 Ace Your Additional Mathematics
Chapter 2 Add Math (13 to 21).indd 18 14/03/2022 12:16 PM
