... the CROSS-PRODUCT PROPERTY!!!
hw#2-7: Due
Tues Oct 18 (B)
pg 127-28 #1-8 All, #9-39 Mult of 3
Please read section 2-7 in the book carefully, particularly the discussion of "means and extremes" at the end of Problem 1 that we briefly discussed toward the end of class.
In a technical sense, when you have a proportion a/b = c/d (read this as a over b equals c over d), a and d are considered to be the "extremes" (they are "on the ends") and b and c are considered to be the "means" (they are "in the middle").
SO, a fancy way of stating the CROSS-PRODUCT PROPERTY is to say that:
"The product of the means is equal to the product of the extremes"
... you're getting to be SOOOO SMART... I'm SOOOOO PROUD!!!!
-Mr. C
hw#2-7: Due
Tues Oct 18 (B)
pg 127-28 #1-8 All, #9-39 Mult of 3
Please read section 2-7 in the book carefully, particularly the discussion of "means and extremes" at the end of Problem 1 that we briefly discussed toward the end of class.
In a technical sense, when you have a proportion a/b = c/d (read this as a over b equals c over d), a and d are considered to be the "extremes" (they are "on the ends") and b and c are considered to be the "means" (they are "in the middle").
SO, a fancy way of stating the CROSS-PRODUCT PROPERTY is to say that:
"The product of the means is equal to the product of the extremes"
... you're getting to be SOOOO SMART... I'm SOOOOO PROUD!!!!
-Mr. C
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