What is the first step in writing f(x) = 6x2 + 5 – 42x in vertex form?
2 answers:
Answer:
Option 3rd is correct
Write the function in standard form.
Step-by-step explanation:
The standard form of the quadratic equation is given by:
As per the statement:
Given the function:
We have to find the first step writing f(x) vertex form.
Firstly, write the given function in standard form
by definition we have;
Therefore, the first step writing f(x) vertex form is, Write the function in standard form.
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Answer:
The cost of the old ball was $100.
Step-by-step explanation:
The cost of the new ball = $300
The new ball has three times the price of his old ball.
So, let the price of the old ball be = x
As per situation, we get the equation:
Dividing both sides by 3:
=> x = 100
Hence, the cost of the old ball was $100.