Mr Daniels Maths
Solving Quadratic Equations using the formula

Set 1

Set 2

Set 3

Q1) Solve \(x^2 + 14x+8\) =0 to 2 dp. [ , x= -13.4 or -0.6]

Q1) Solve \(4x^2 -5x-7=0\) to 2 dp. [ x= -0.84 or 2.09]

Q1) Solve \(1x^2 =5x-6\) to 2 dp. [ , x= 2 or 3]

Q2) Solve \(x^2 + 4x+10\) =0 to 2 dp. [ , x= NAN or NAN]

Q2) Solve \(2x^2 -x-8=0\) to 2 dp. [ x= -1.77 or 2.27]

Q2) Solve \(2x^2 =5x-2\) to 2 dp. [ , x= 0.5 or 2]

Q3) Solve \(x^2 + 12x-8\) =0 to 2 dp. [ , x= -12.63 or 0.63]

Q3) Solve \(5x^2 -4x-4=0\) to 2 dp. [ x= -0.58 or 1.38]

Q3) Solve \(1x^2 =5x-4\) to 2 dp. [ , x= 1 or 4]

Q4) Solve \(x^2 + 12x+7\) =0 to 2 dp. [ , x= -11.39 or -0.61]

Q4) Solve \(2x^2 -3x-7=0\) to 2 dp. [ x= -1.27 or 2.77]

Q4) Solve \(2x^2 =-5x-3\) to 2 dp. [ , x= -1.5 or -1]

Q5) Solve \(x^2 + 10x-6\) =0 to 2 dp. [ , x= -10.57 or 0.57]

Q5) Solve \(1x^2 -x-7=0\) to 2 dp. [ x= -2.19 or 3.19]

Q5) Solve \(1x^2 + 5x =-6\) to 2 dp. [ , x= -3 or -2]

Q6) Solve \(x^2 + 10x+3\) =0 to 2 dp. [ , x= -9.69 or -0.31]

Q6) Solve \(5x^2 -3x-3=0\) to 2 dp. [ x= -0.53 or 1.13]

Q6) Solve \(1x^2 -3x =-2\) to 2 dp. [ , x= 1 or 2]

Q7) Solve \(x^2 + 14x-3\) =0 to 2 dp. [ , x= -14.21 or 0.21]

Q7) Solve \(5x^2 -6x-2=0\) to 2 dp. [ x= -0.27 or 1.47]

Q7) Solve \(1x^2 + 4x =-3\) to 2 dp. [ , x= -3 or -1]

Q8) Solve \(x^2 + 16x+9\) =0 to 2 dp. [ , x= -15.42 or -0.58]

Q8) Solve \(4x^2 -2x-2=0\) to 2 dp. [ x= -0.5 or 1]

Q8) Solve \(3x^2 =5x-2\) to 2 dp. [ , x= 0.67 or 1]

Q9) Solve \(x^2 + 10x-9\) =0 to 2 dp. [ , x= -10.83 or 0.83]

Q9) Solve \(2x^2 -5x-9=0\) to 2 dp. [ x= -1.21 or 3.71]

Q9) Solve \(1x^2 =-5x-2\) to 2 dp. [ , x= -4.56 or -0.44]

Q10) Solve \(x^2 + 14x+3\) =0 to 2 dp. [ , x= -13.78 or -0.22]

Q10) Solve \(2x^2 -6x-6=0\) to 2 dp. [ x= -0.79 or 3.79]

Q10) Solve \(1x^2 -5x =-3\) to 2 dp. [ , x= 0.7 or 4.3]