Find the solutions of the following quadratic equations by extracting square roots.
1. x2 - 25 = 0
2. 2x2 = 50
3. (x - 5)2 - 100
4.x2 - 49 = 0
5. x2 = 121
6. x2 - 81 = 0
7. 3x2 = 27
8. (x-8)2 = 144
9.x2 - 400 = 0
10. x2 = 169
1. x2 - 25 = 0
2. 2x2 = 50
3. (x - 5)2 - 100
4.x2 - 49 = 0
5. x2 = 121
6. x2 - 81 = 0
7. 3x2 = 27
8. (x-8)2 = 144
9.x2 - 400 = 0
10. x2 = 169
Add an Answer
More Questions From This User See All
Answers & Comments
1.x2=16
Sq.rt of x2 = sq.rt of 16
x=+&-4
2.t2=81
Sq.rt of t2=sq.rt of 81
t=+&-9
3.r2-100=0
r2=100
Sq.rt of r2= sq.rt of 100
r =+&- 10
4.x2=144
Sq.rt of x2=sq.rt of 144
x=+&-12
5.2s^2 =50
2s^2÷2=50÷2
s2=25
Sq.rt of s2=sq.rt of 25
s=+&-5
don't go 20 or higher cause you might be trol thank me later