The formula for a quadratic function is y=ax^2+bx+c.
The vertex is h, k. This can be found by evaluating y to get k, and dividung -b by a in order to get h.
Hope this helps!
Answer:
first solution for first question, and last solution for second questions..
Step-by-step explanation:
4.334, just use your calculator
Answer:
Have not done this in a while but I believe it is 81
Step-by-step explanation:
Please excuse me if I am wrong but hope this helps
Answer:
y=20
Step-by-step explanation:
-3y+12=-48
-12 -12
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-3y=-60
÷-3 ÷-3
___________________
y=20
I hope this helps :D