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: $11v^2 + 18v + 7=0$

Hide Answers

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: $(11v+7)(v+1)=0$ $\implies v=-{\Large\frac{7}{11}} , v=-1$