Name: Date:Solve the following quadratic equations:
Question 1: k^2 - 49=0 | Question 2: 3y^2 -14y - 5=0 |
Question 3: 36u^2 - 9=0 | Question 4: 25n^2 - 16=0 |
Question 5: 7h^2 + 78h + 11=0 | Question 6: 14t^2 - 35t=0 |
Question 7: 3a^2 + 16a + 5=0 | Question 8: 3m^2 - 34m + 11=0 |
Question 9: 2z^2 -13z - 7=0 | Question 10: 2j^2 - 15j + 7=0 |
Question 11: 3r^2 +32r - 11=0 | Question 12: 7g^2 -76g - 11=0 |
Question 13: 7d^2 - 9d + 2=0 | Question 14: 11w^2 -21w - 2=0 |
Question 15: 63b^2 + 18b=0 | Question 16: 5e^2 - 26e + 5=0 |
Question 17: 24p^2 - 56p=0 | Question 18: 5s^2 +34s - 7=0 |
Question 19: 11q^2 - 34q + 3=0 | Question 20: 4c^2 - 64=0 |
Question 21: 33f^2 + 9f=0 | Question 22: 11v^2 + 18v + 7=0 |
© GCSEMathsWorksheets.com
Show Answers
Hide Answers
© GCSEMathsWorksheets.com
Answers
Question 1: (k+7)(k-7)=0 \implies k=-7 , k=7 | Question 2: (y-5)(3y+1)=0 \implies y=5 , y=-{\Large\frac{1}{3}} |
Question 3: (6u+3)(6u-3)=0 \implies u=-{\Large\frac{1}{2}} , u={\Large\frac{1}{2}} | Question 4: (5n+4)(5n-4)=0 \implies n=-{\Large\frac{4}{5}} , n={\Large\frac{4}{5}} |
Question 5: (h+11)(7h+1)=0 \implies h=-11 , h=-{\Large\frac{1}{7}} | Question 6: 7t(2t-5)=0 \implies t=0 , t={\Large\frac{5}{2}} |
Question 7: (3a+1)(a+5)=0 \implies a=-{\Large\frac{1}{3}} , a=-5 | Question 8: (m-11)(3m-1)=0 \implies m=11 , m={\Large\frac{1}{3}} |
Question 9: (2z+1)(z-7)=0 \implies z=-{\Large\frac{1}{2}} , z=7 | Question 10: (j-7)(2j-1)=0 \implies j=7 , j={\Large\frac{1}{2}} |
Question 11: (r+11)(3r-1)=0 \implies r=-11 , r={\Large\frac{1}{3}} | Question 12: (g-11)(7g+1)=0 \implies g=11 , g=-{\Large\frac{1}{7}} |
Question 13: (d-1)(7d-2)=0 \implies d=1 , d={\Large\frac{2}{7}} | Question 14: (11w+1)(w-2)=0 \implies w=-{\Large\frac{1}{11}} , w=2 |
Question 15: 9b(7b+2)=0 \implies b=0 , b=-{\Large\frac{2}{7}} | Question 16: (5e-1)(e-5)=0 \implies e={\Large\frac{1}{5}} , e=5 |
Question 17: 8p(3p-7)=0 \implies p=0 , p={\Large\frac{7}{3}} | Question 18: (5s-1)(s+7)=0 \implies s={\Large\frac{1}{5}} , s=-7 |
Question 19: (q-3)(11q-1)=0 \implies q=3 , q={\Large\frac{1}{11}} | Question 20: (2c+8)(2c-8)=0 \implies c=-4 , c=4 |
Question 21: 3f(11f+3)=0 \implies f=0 , f=-{\Large\frac{3}{11}} | Question 22: (11v+7)(v+1)=0 \implies v=-{\Large\frac{7}{11}} , v=-1 |