The expression y squared minus 10 y plus 24 has a factor of open paren y minus 4 close paren What is another factor of y squared minus 10 y plus 24 ?
Answer
A
open paren y minus 8 close paren
B
open paren y minus 20 close paren
C
open paren y minus 14 close paren
D
open paren y minus 6 close paren
Explanation
The expression factors as (y − 4)(y − 6): the numbers −4 and −6 multiply to 24 and add to −10. Since one factor is (y − 4), the other factor is (y − 6), which is choice D.
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