airsealands
17.12.2020 •
Mathematics
Select the correct answer.
Which number best represents the slope of the graphed line?
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Ответ:
(4x + 5)(3x + 10)
use foil to multiply the equation.
first outer inner last
first, multiply 4x x 3x = 12x^2
outer, multiply 4x x 10 = 40x
inner, multiply 5 x 3x = 15x
last, 5 x 10 = 50
12x^2 + 40x + 15x + 50
12x^2 + 55x + 50
part b: the degree is 2, because 12x^2 has an exponent of 2.
part c: the product of 2 polynomials, is a polynomial.