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puppylove899
18.10.2019 •
Mathematics
Rewrite the quadratic function in vertex form.
y=2x^2+4x-1
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Ответ:
Step-by-step explanation:
The vertex form of an equation of a parabola:
(h, k) - vertex
We have
We must use the formula:![(a+b)^2=a^2+2ab+b^2\qquad(*)](/tpl/images/0330/7409/8dfbb.png)
Use the distributive formula a(b + c) = ab + ac
Ответ:
I believe the answer is: Prices for goods and services increased, and a dollar bought less than it previously had
In the 1970s, united states was experiencing a period of economic stagnation which later known as called the great inflation of the 1970s.
During this period, the number of unemployment skyrocketed and the value of our currency fall dramatically, which caused an increase in overall products and less amount of products it can obtain with previously same amount.