OK, so I was learning about how to factorize a quadratic polynomial. And I also wrote notes on it. Now, even though I know that
my notes are definitely correct, I’m getting stuck at a certain point. Please look at the attached photo, and explain why the variable X and the number 4 have been removed when we get the factors. I’d greatly appreciate it. Thanks!
1 answer:
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Answer:
Step-by-step explanation:
step 1
Find the slope
The formula to calculate the slope between two points is equal to
take two points from the data
(0,3.5) and (100,68.5)
substitute
step 2
Find the equation in slope intercept form
we have
---> the y-intercept is given
substitute