Answer:
Step-by-step explanation:
We're going to try two things here.
First an example
x^2 + 10x + 25
If you divide the linear factor by 2 and square the result, you get the last number (25)
The pattern of a trinomial is
x^2 + 2b x + b^2
The factors are
(x + b)(x+ b)
Just divide the linear term by 2
Answer:
An electrician needs 14/3 rolls of electrical wire to wire each room in a house. How many rooms can he wire if he has 28/3 rolls of wires?
sory
This slope is 1/2. It goes up 1 on the y axis and over 2 on the x axis
