Answer questions 1-6 1. Find all roots: f(x)=x²-x+42. Find the zeros of each functionf(x)=x²2 +73. Multiply: (-2-7)(-2+71)f(x)=x²-4f(x) = 9x² +14. Which of the following quadratic functions have roots at x=3 and x=-2? Choose all that apply.(A) f(x) = 4(x + 2)(x-3)(B) g(x) = (x-3)² - 2(C) h(x)=x²-x-6(D) j(x) = (x+3)(x - 2)5. We know 6+ i and 4-√3 are roots of a 4th degree polynomial. Find the remaining roots.6. For i = √-1, what is the sum (7+3i) + (−8+9i)?(A) -1 + 12i(B)-1-6i(C) 15 + 12i(D) 15 - 6i

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Answered: 1. Find all roots: f(x)=x²-x+4

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Calculus

1. Find all roots: f(x)=x²-x+4

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

Chapter6: Topics In Analytic Geometry

Section: Chapter Questions

Problem 8CT

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Answer questions 1-6

1. Find all roots: f(x)=x²-x+4
2. Find the zeros of each function
f(x)=x²2 +7
3. Multiply: (-2-7)(-2+71)
f(x)=x²-4
f(x) = 9x² +1
4. Which of the following quadratic functions have roots at x=3 and x=-2? Choose all that apply.
(A) f(x) = 4(x + 2)(x-3)
(B) g(x) = (x-3)² - 2
(C) h(x)=x²-x-6
(D) j(x) = (x+3)(x - 2)
5. We know 6+ i and 4-√3 are roots of a 4th degree polynomial. Find the remaining roots.
6. For i = √-1, what is the sum (7+3i) + (−8+9i)?
(A) -1 + 12i
(B)-1-6i
(C) 15 + 12i
(D) 15 - 6i

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