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Write the vertex form of the equation and find the necessary coefficient to make it work.
.. y = a*(x +3)^2 -2
.. = ax^2 +6ax +9a -2
You require the y-intercept to be 7. So, for x=0, you have
.. 9a -2 = 7
.. 9a = 9
.. a = 1
The equation you seek is
.. y = x^2 +6x +7
.. y = a*(x +3)^2 -2
.. = ax^2 +6ax +9a -2
You require the y-intercept to be 7. So, for x=0, you have
.. 9a -2 = 7
.. 9a = 9
.. a = 1
The equation you seek is
.. y = x^2 +6x +7
Answer:
Step-by-step explanation:
<h2><u>☼︎</u><u>Answer:</u></h2>The cost price of cow = Rs.80
Explanation:
<h2><u>☼︎</u><u>Given :-</u></h2>- By selling a cow for Rs 144, there is a profit of the same percentage as its cost price.
- The cost price.
- The cost price of cow = Rs.x
The cost price of cow =<u>R</u><u>s</u><u>8</u><u>0</u>