The standard form of the polynomial is expressed as 
<h3 /><h3>The standard form of a polynomial</h3>
The standard form of a polynomial is degree 3 is expressed as:
Given the expression 5x-4-3x²+2x², we are to write it in standard form. The standard form is expressed as shown:
Collect the like terms;


Group the terms:

Hence the standard form of the polynomial is expressed as 
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Answer:
Option B, the y-intercept changes
Explanation:
This is because, the y-intercept is located on the y-axis, which is the vertical axis, moving the graph up and down would mean moving it vertically, therefore this would result in the change of the y-intercept.
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Answer:
You would first add 3 to 12 - 6x =15
x =2.5
12(2.5) = 30
Final value =38
Step-by-step explanation: