Which expression represents the difference of (8x³ +6x² + 5) and (5x³ - x²-3x + 1)? 3x³ + 5x² + 3x +4 3x³ +5x² + 3x +6 3x³ +7x² + 3x +4 3x³ +7x²-3x+6 Using the binomial theorem, what is the expanded form of (2x - 1)¹? 16x4-4x³+6x² - 4x+1 O 16x4-32x³ +24x² - 8x+1 16x4+32x³-24x²+32x-1 16x4-8x³+4x² - 2x+1 What are the x-intercepts of the polynomial: f(x)= x³-7x² - 9x +63? x=-7,-3,7

Algebra and Trigonometry (6th Edition)
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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3. What are the x-intercepts of the polynomial: f(x) = x³ - 7x² − 9x +63?
-7, -3,7
X =
x = -3,3,9
x = -7, -3,3
x = -3,3,7
4. Which statement about the zeros of a quadratic polynomial is true?
There must be one complex zero, not just real zeros.
O If - 4 and 3 are zeros, the conjugates 4 and - 3 must also be zeros.
If the quadratic polynomial has three zeros, then it must have complex coefficients.
If the polynomial is quadratic, then it can have a maximum of two zeros, not three.
Transcribed Image Text:3. What are the x-intercepts of the polynomial: f(x) = x³ - 7x² − 9x +63? -7, -3,7 X = x = -3,3,9 x = -7, -3,3 x = -3,3,7 4. Which statement about the zeros of a quadratic polynomial is true? There must be one complex zero, not just real zeros. O If - 4 and 3 are zeros, the conjugates 4 and - 3 must also be zeros. If the quadratic polynomial has three zeros, then it must have complex coefficients. If the polynomial is quadratic, then it can have a maximum of two zeros, not three.
t
a
a
1. Which expression represents the difference of (8x³+6x² + 5) and (5x³− x² − 3x + 1)?
-
2
3x³ + 5x + 3x + 4
3x³ +5x² + 3x + 6
3x³ +7x² + 3x +4
3x³ +7x²-3x+6
2. Using the binomial theorem, what is the expanded form of (2x - 1)¹?
4x³+6x² - 4x+1
O 16x4.
16x4
16x4-32x³+24x²8x+1
O 16x4 + 32x³ - 24x²+32x-1
O 16x48x³+4x²2x+1
3. What are the x-intercepts of the polynomial: f(x) = x³ – 7x² 9x + 63?
X = -7, -3,7
21 321
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Transcribed Image Text:t a a 1. Which expression represents the difference of (8x³+6x² + 5) and (5x³− x² − 3x + 1)? - 2 3x³ + 5x + 3x + 4 3x³ +5x² + 3x + 6 3x³ +7x² + 3x +4 3x³ +7x²-3x+6 2. Using the binomial theorem, what is the expanded form of (2x - 1)¹? 4x³+6x² - 4x+1 O 16x4. 16x4 16x4-32x³+24x²8x+1 O 16x4 + 32x³ - 24x²+32x-1 O 16x48x³+4x²2x+1 3. What are the x-intercepts of the polynomial: f(x) = x³ – 7x² 9x + 63? X = -7, -3,7 21 321 CLOSE PRINT
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