1. Solve the equation x2 - 3x + 15 = 9 + 6x by using the quadratic formula.
Express your answer correct to 4 decimal places.
2. One of the roots of the quadratic equation 2kx2 + 1 = kx
is twice the other root.
a) Find the value of k
b) Hence, find the roots of the equation
Express your answer correct to 4 decimal places.
2. One of the roots of the quadratic equation 2kx2 + 1 = kx
is twice the other root.
a) Find the value of k
b) Hence, find the roots of the equation
This entry was posted
on Sunday, June 26, 2011
and is filed under
F4 Topics,
Quadratic Equation
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