This worksheet is about solving quadratic equations by completing the square.
|Example||Solve by completing the square, x2-10x+17=0.
Give your answers to 3 sig. figs.
x-5 = ±√8
x = 5+√8 or 5-√8
x = 7.83 or 2.17 (to 3 sf.)
|Remember|| to complete the square on the expression
write (x+b/2)2 - b2/4 +c
and proceed as above.