Each week Samantha , can pay as much as $15 , for her school lunch. Write an inequality showing how much Samantha spend on lunch
?
1 answer:
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Answer:
D
Step-by-step explanation:
So, let's say that we have the following equation:
And we want to complete the square.
What we need to do is to divide the coefficient of x by half. Square that. Then add that number to both sides.
The answer that reflects this is choice D.
For instance if we have:
Divide 4 by 2 and then square it.
4/2 is 2. 2²=4. Add 4 to both sides. Thus:
And now, we can complete the square: