1. Equations & Inequalities
The Square Root Property
1. Equations & Inequalities The Square Root Property
10PRACTICE PROBLEM
Among the following equations, select which one can be directly solved by using the quadratic formula and work out the value(s) of x.
1. 4x2 - 23x - 35 = 0
2. (3x + 1)2 = 4
3. x2 - x = 72
4. (9x - 4)(x - 5) = 0
Among the following equations, select which one can be directly solved by using the quadratic formula and work out the value(s) of x.
1. 4x2 - 23x - 35 = 0
2. (3x + 1)2 = 4
3. x2 - x = 72
4. (9x - 4)(x - 5) = 0