3/7 x 2/5 will be greater than or less than or equal to 3/7
1 answer:
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Answer:
a. 40
Step-by-step explanation:
Given
and
We plug in 2x into .
We now substitute x=-3.
The correct choice is A.
Let's take a look at a perfect square trinomial.
We can distribute this expression to get
.
An important relation to recognize here is that the constant is the square of half of the x value.
Now, if we wanted to add a number to
to make a perfect square trinomial, we could have the value of x and then square it.
Half of 16 is 8, and 8 squared is
We can distribute this expression to get
An important relation to recognize here is that the constant is the square of half of the x value.
Now, if we wanted to add a number to
Half of 16 is 8, and 8 squared is