2.12.4 Quadratic Functions, SPM Practice (Paper 1)


Question 10:
The quadratic equation x 2 4x1=2p(x5) , where p is a constant, has two equal roots. Calculate the possible values of p.

Solution:



Question 11:
Find the range of values of k for which the equation x 2 2kx+ k 2 +5k6=0 has no real roots.

Solution:



Question 12:
Find the range of values of p for which the equation 5 x 2 +7x3p=6 has no real roots.

Solution:


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