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hudsonlilliana
10.12.2019 •
Mathematics
According to the synthetic division below, which of the following statements are true? check all that apply.
-7 ) 2 10 -20
-14 28
2 -4 8
a. (x+7) is a factor of 2x^2+10x-20
b. (x-7) is a factor of 2x^2+10x-20
c. when x=7, 2x^2+10x-20=8
d. when x=-7, 2x^2+10x-20=8
e. when (2x^2+10x-20) is divided by (x+7), the remainder is 8
f. when (2x^2+10x-20) is divided by (x-7), the remainder is 8
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Ответ:
When
and If
is divided by
, the remainder is 12. Option (D) is correct and option (E) is correct.
Further Explanation:
Explanation:
If division of a polynomial by a binomial result in a remainder of zero means that the binomial is a factor of polynomial.
The synthetic division can be expressed as follows,
The last entry of the synthetic division tells us about remainder and the last entry of the synthetic division is
. Therefore, the remainder of the synthetic division is
.
When
and If
is divided by
, the remainder is 12. Option (D) is correct and option (E) is correct.
Option (A) is not correct.
Option (B) is not correct.
Option (C) is not correct.
Option (F) is not correct.
Learn more:
Learn more about inverse of the functionhttps://. Learn more about range and domain of the functionAnswer details:
Grade: High School
Subject: Mathematics
Chapter: Synthetic Division
Keywords: division, factor (x+7), remainder 8, statements, true, apply, divided, binomial synthetic division, long division method, coefficients, quotients, remainders, numerator, denominator, polynomial, zeros, degree.
Ответ:
D
Step-by-step explanation:
10*20=200
200 + 1020= 1220
Works for the first one
20*20=400
400+ 1020=1420
Works for the second one
30*20=600
600+1020=1620
Works for the third one, and all the others one so forth.
You take the number on the left (10, 20, 30, 40, 50, 60, 70) and times it by 20, replacing the x in the equation with the number on the left side of the table. Then you add the number from said equation to result of the multiplication from the first step.