Asked by Gabby
                1.) An expression is show: √21x; for which value of x should the expression be further simplified?
a.) 5
b.) 8
c.) 37
d.) 54
2.) An expression is show: √42x; for which value of x should the expression be further simplified?
a.) 11
b.) 13
c.) 20
d.) 55
            
        a.) 5
b.) 8
c.) 37
d.) 54
2.) An expression is show: √42x; for which value of x should the expression be further simplified?
a.) 11
b.) 13
c.) 20
d.) 55
Answers
                    Answered by
            Reiny
            
    I assume you meant
√(21x) , and not the way you typed
since 21 = 3x7 , you want either another 3 or 7 in x so that we have at least one perfect square.
none of the first 3 choices contain a 3 or 7 ,but 54 does
so √(21x54)
= √3x7x3x9x2)
= √(81*14)
= 9√14
do the other one the same way
    
√(21x) , and not the way you typed
since 21 = 3x7 , you want either another 3 or 7 in x so that we have at least one perfect square.
none of the first 3 choices contain a 3 or 7 ,but 54 does
so √(21x54)
= √3x7x3x9x2)
= √(81*14)
= 9√14
do the other one the same way
                    Answered by
            Anonymous
            
    An expression is show: √65x; for which value of x should the expression be further simplified?
    
                    Answered by
            41
            
    56
    
                    Answered by
            Anonymous
            
    Absolutamente nada
    
                    Answered by
            piper
            
    For which value of x must the expression 
77x
be further simplified?
A) 13
B) 23
C) 29
D) 33
    
77x
be further simplified?
A) 13
B) 23
C) 29
D) 33
                    Answered by
            Anonymous
            
    This did not help at all 
    
                    Answered by
            Anonymous
            
    I know right TUT
    
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