algebra 1 specific question i need to use the quadratic formula to solve this. I am supposed to give irrational roots in simplest radical form and then

In both problems, factor each one ...

 

x² - 3x - 10  =  0

(x - 5)(x + 2)  =  0

x - 5  =  0     or     x + 2  =  0

x  =  5          or     x  =  -2

 

2s² - 3x - 2  =  0

(2s + 1)(s - 2)  =  0

2s + 1  =  0     or     s - 2  =  0

2s  =  -1          or     s  =  2

s  =  -1/2         or     s  =  2

SInce you need to use the quadratic formula    ( -b +- sqrt(b^2-4ac))  / 2a

 

For the first one a =1 b=-3 c=-10         (3 +- sqrt(9- (-40)  )/2(1)  = ( 3 +- sqrt49 )/2    = (3+-7) / 2 = x =  5 or -2

 

 

You can now do the other one!