The ratio of the number of girls to the number of all students in the class is 4 to 9. Are there more boys or more girls in that
2 answers:
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Answer:
a)
b)
c)
d) There are two possible answers only considering real coefficients:
(i)
(ii)
e)
Step-by-step explanation:
Now we proceed to solve each algebraic equation:
a) Factor
This binomial is of the form . In this case, we can rewrite and factor the equation below:
b) Factor
This binomial is of the form . In this case, we can rewrite and factor the equation below:
c) Nicole is factoring by using the rule
. What will she use for the value of
?
From this rule we find that , that is:
d) Which binomial is a difference of squares?
A binomial is a difference of square if and only if . There are two possible answers only considering real coefficients:
(i)
(ii)
e) Factor
This binomial is of the form . In this case, we can rewrite and factor the equation below: