
Adv Alg_CW_Final Exam Review_PART 1
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the solution to the equation 3x² + 28 = 1?
Back
x = ±3i
2.
FLASHCARD QUESTION
Front
What are the factors of the polynomial f(x) = x³ - 6x² - 4x + 24?
Back
(x + 2), (x - 2), (x - 6)
3.
FLASHCARD QUESTION
Front
How do you find the sum of the complex numbers 8 - 3i and 9 + 5i?
Back
Add the real parts and the imaginary parts: (8 + 9) + (-3i + 5i) = 17 + 2i
4.
FLASHCARD QUESTION
Front
What is the complete factorization of 5x² - 80?
Back
5(x - 4)(x + 4)
5.
FLASHCARD QUESTION
Front
What is the product of the complex number (2 + 5i) and its conjugate (2 - 5i)?
Back
29
6.
FLASHCARD QUESTION
Front
Define a complex number.
Back
A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit.
7.
FLASHCARD QUESTION
Front
What is the imaginary unit 'i'?
Back
The imaginary unit 'i' is defined as the square root of -1.
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