Mr Daniels Maths
Solving Quadratic Equations using the formula

Set 1

Set 2

Set 3

Q1) Solve \(x^2 + 8x-4\) =0 to 2 dp. [ , x= -8.47 or 0.47]

Q1) Solve \(4x^2 -x-6=0\) to 2 dp. [ x= -1.11 or 1.36]

Q1) Solve \(1x^2 =5x-5\) to 2 dp. [ , x= 1.38 or 3.62]

Q2) Solve \(x^2 + 14x+5\) =0 to 2 dp. [ , x= -13.63 or -0.37]

Q2) Solve \(3x^2 -6x-10=0\) to 2 dp. [ x= -1.08 or 3.08]

Q2) Solve \(1x^2 =4x-3\) to 2 dp. [ , x= 1 or 3]

Q3) Solve \(x^2 + 8x-6\) =0 to 2 dp. [ , x= -8.69 or 0.69]

Q3) Solve \(5x^2 -x-9=0\) to 2 dp. [ x= -1.25 or 1.45]

Q3) Solve \(2x^2 + 5x =-3\) to 2 dp. [ , x= -1.5 or -1]

Q4) Solve \(x^2 + 14x+10\) =0 to 2 dp. [ , x= -13.24 or -0.76]

Q4) Solve \(5x^2 -2x-2=0\) to 2 dp. [ x= -0.46 or 0.86]

Q4) Solve \(1x^2 =-4x-3\) to 2 dp. [ , x= -3 or -1]

Q5) Solve \(x^2 + 10x-7\) =0 to 2 dp. [ , x= -10.66 or 0.66]

Q5) Solve \(2x^2 -2x-8=0\) to 2 dp. [ x= -1.56 or 2.56]

Q5) Solve \(1x^2 =4x-2\) to 2 dp. [ , x= 0.59 or 3.41]

Q6) Solve \(x^2 + 12x-2\) =0 to 2 dp. [ , x= -12.16 or 0.16]

Q6) Solve \(1x^2 -6x-6=0\) to 2 dp. [ x= -0.87 or 6.87]

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

Q7) Solve \(x^2 + 14x+6\) =0 to 2 dp. [ , x= -13.56 or -0.44]

Q7) Solve \(4x^2 -5x-4=0\) to 2 dp. [ x= -0.55 or 1.8]

Q7) Solve \(1x^2 =-5x-3\) to 2 dp. [ , x= -4.3 or -0.7]

Q8) Solve \(x^2 + 10x+3\) =0 to 2 dp. [ , x= -9.69 or -0.31]

Q8) Solve \(4x^2 -4x-3=0\) to 2 dp. [ x= -0.5 or 1.5]

Q8) Solve \(1x^2 -5x =-3\) to 2 dp. [ , x= 0.7 or 4.3]

Q9) Solve \(x^2 + 12x+3\) =0 to 2 dp. [ , x= -11.74 or -0.26]

Q9) Solve \(3x^2 -4x-6=0\) to 2 dp. [ x= -0.9 or 2.23]

Q9) Solve \(1x^2 + 4x =-2\) to 2 dp. [ , x= -3.41 or -0.59]

Q10) Solve \(x^2 + 16x-4\) =0 to 2 dp. [ , x= -16.25 or 0.25]

Q10) Solve \(2x^2 -3x-5=0\) to 2 dp. [ x= -1 or 2.5]

Q10) Solve \(3x^2 =5x-2\) to 2 dp. [ , x= 0.67 or 1]