Question:
Why does the perimeter not vary directly with it’s length (when the length changes)
Answer from Dr. Callahan:
If you look at the formula for perimeter is becomes
P = 2x + 6
We see it is linear,
y = ax + b
but a direct variation is a subset of linear where the b =0 (see page 85)
This is a minor definition you will rarely see – so from now on just expect Linear or not.
https://vimeo.com/476368968
This is an error in the book by Master Books (ISBN: 978-0890519851) - the book with the blue cover showing the world. The problem is discussing hens and...
Question from Grace: We are using this test A as a practice test. We can't figure out how to solve this. Answer from Dr. Callahan: Grace, To solve this one,...
Error in Solutions Manual The Solutions Manual has the answer from the older version of the book (which used a flag of 104 x 235. Flags have grown since then....
Ch5.6 #15 As before – all are similar so I will pick the harder one. Givens AB = CD AB = 9(x-2) CD = x + 3(x+5) Therefore, 9(x-2) = x + 3(x+5) Now multiply...
Now let’s look at Ch 5.6 #14. Parts a-c are similar – so will do part c since the harder. Area = x + 20 = (x-1)4 > I am just stating all things that are...