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+1
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avatar+1405 

Help me please!!

 

1-In the equation x2+7x-30=0 are the roots real or imaginary?

2-In the equation x2+7x-30=0 are the roots equal or unequal?

3-In the equation x2+7x-30=0 are the roots rational, irrational or neither

 Mar 8, 2018
 #1
avatar+94618 
+1

x^2  + 7x  - 30   =  0

 

(x - 3)  ( x + 10)  = 0         set each factor to 0   and solve for x  and we get that the roots are   x = 3   and x  = - 10

 

So

 

1.Real

2. Unequal

3. Rational

 

 

cool cool cool

 Mar 8, 2018
 #2
avatar+1405 
+1

Thank You!!

 Mar 8, 2018

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