Quadratic Formula
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Question 1 of 7
1. Question
Use the formula to solve x²6x+3=0. Give your answers correct to 2dp.

x= and x=
CorrectIncorrect 

Question 2 of 7
2. Question
Solve using the quadratic formula:
5x² + 20x + 2 = 0
Give your answers correct to 2 decimal places.

x= and x=
CorrectIncorrect 

Question 3 of 7
3. Question
Solve using the quadratic formula:
4x² + 3x + 15 = 0
Give your answers correct to 2 decimal places.

x= and x=
CorrectIncorrect 

Question 4 of 7
4. Question
Solve using the quadratic formula (give your answers to 2dp)
10 + x² + 8x = 0

x= and x=
CorrectIncorrect 

Question 5 of 7
5. Question
Rearrange the equation and solve it using the quadratic formula (give your answers to 2dp):
x² – x + 8 = x + 15

x= and x=
CorrectIncorrect 

Question 6 of 7
6. Question
Solve using the quadratic formula:
3x(x+2)=7
Give your answers correct to 2 decimal places.

x= and x=
CorrectIncorrect 

Question 7 of 7
7. Question
Solve using the quadratic formula, give your answers correct to 2dp.

x= and x=
CorrectIncorrect 