Polynomial Solutions Test

7 September 2022
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question
The volume of a rectangular prism is mc010-1.jpg with height x + 2. Using synthetic division, what is the area of the base?
answer
2x^2+5x-18
question
The area of a rectangle is mc011-1.jpg with length x + 3. Using synthetic division, what is the width of the rectangle?
answer
5x^2+4x-6
question
If -1 is a root of f(x), which of the following must be true?
answer
A factor of f(x) is (x + 1).
question
What divisor is represented by the synthetic division below?
answer
x + 5
question
One factor of mc017-1.jpg is (x - 2). What are all the roots of the function? Use the Remainder Theorem.
answer
x = -2, x = 1, or x = 2
question
Use synthetic division to solve (x4 - 1) รท (x - 1). What is the quotient?
answer
x^3+x^2+x+1
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If f(-5) = 0, what are all the factors of the function mc022-1.jpg? Use the Remainder Theorem.
answer
(x - 2)(x + 5)(x - 3)
question
The price that a company charged for a computer accessory is given by the equation 100-10x^2 where x is the number of accessories that are produced, in millions. It costs the company $10 to make each accessory. The company currently produces 2 million accessories and makes a profit of 100 million dollars. What other number of accessories produced yields approximately the same profit?
answer
1.45 million
question
One root of mc024-1.jpg is x = 6. What are all the factors of the function? Use the Remainder Theorem.
answer
(x - 2)(x + 4)(x - 6)
question
If -1 is a root of f(x), which of the following must be true?
answer
A factor of f(x) is (x + 1).
question
One root of mc019-1.jpg is x = -10. What are all the roots of the function? Use the Remainder Theorem.
answer
x = -10, x = -5, or x = 5
question
Use synthetic division to solve mc005-1.jpg. What is the quotient?
answer
x^2+4x+3
question
According to the Rational Root Theorem, which number is a potential root of f(x) = 9x8 + 9x6 - 12x + 7?
answer
7/3
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According to the Rational Root Theorem, the following are potential roots of f(x) = 60x2 - 57x - 18. mc015-1.jpg, mc015-2.jpg, 3, 6
answer
-1/4
question
According to the Rational Root Theorem, which could be a factor of the polynomial f(x) = 3x3 - 5x2 - 12x + 20?
answer
3x - 5
question
According to the Rational Root Theorem, what are all the potential rational roots of f(x) = 9x4 - 2x2 - 3x + 4?
answer
+-1/9,+-2/9,+-1/3,+-4/9,+-2/3,+-1,+-4/3,+-2,+-4
question
According to the Rational Root Theorem, the following are potential roots of f(x) = 2x2 + 2x - 24. -4, -3, 2, 3, 4 Which are actual roots of f(x)?
answer
-4 and 3
question
The polynomial function f(x) = 5x5 + 3x - 3 is graphed below.
answer
The root at point P may be 3/5
question
The polynomial function f(x) = 3x5 - 2x2 + 7x models the motion of a roller coaster. The roots of the function represent when the roller coaster is at ground level. Which answer choice represents all potential values of when the roller coaster is at ground level? Begin by factoring x to create a constant term.
answer
b
question
Using the Rational Root Theorem, what are all the rational roots of the polynomial f(x) = 20x4 + x3 + 8x2 + x - 12?
answer
-4/5 and 3/4
question
According to the Rational Root Theorem, what are all the potential rational roots of f(x) = 5x3 - 7x + 11?
answer
b
question
The graph of f(x) = 2x3 - 19x2 + 57x - 54 is shown below.
answer
3
question
According to the Rational Root Theorem, the following are potential roots of f(x) = 6x4 + 5x3 - 33x2 - 12x + 20. mc014-1.jpg, -2, 1, mc014-2.jpg
answer
-5/2
question
One root of a third degree polynomial function f(x) is -5 + 2i. Which statement describes the number and nature of all roots for this function?
answer
f(x) has two complex roots and one real root.
question
Which of the following is the complete list of roots for the polynomial function mc026-1.jpg?
answer
-5, 3, -4 + i, -4 - i
question
If 5 + 6i is a root of the polynomial function f(x), which of the following must also be a root of f(x)?
answer
5 - 6i
question
Which statement describes the graph of this polynomial function? mc012-1.jpg
answer
The graph crosses the x axis at x = 0 and touches the x axis at x = 3.
question
If 9i is a root of the polynomial function f(x), which of the following must also be a root of f(x)?
answer
-9i
question
One root of a third degree polynomial function f(x) is -5 + 2i. Which statement describes the number and nature of all roots for this function?
answer
f(x) has two complex roots and one real root.
question
Which of the following describes the roots of the polynomial function mc009-1.jpg?
answer
3 with multiplicity 4 and -6 with multiplicity 2
question
According to the Fundamental Theorem of Algebra, how many roots exist for the polynomial function? f(x) = 4x5 - 3x
answer
5 roots
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Which statement describes the graph of this polynomial function? mc013-1.jpg
answer
The graph crosses the x axis at x = -2 and x = 1 and touches the x axis at x = 0.
question
If 9i is a root of the polynomial function f(x), which of the following must also be a root of f(x)?
answer
-9i
question
The polynomial function f(x) is a fourth degree polynomial. Which of the following could be the complete list of the roots of f(x)?
answer
3, 4, 5, 6
question
Which statement describes the graph of this polynomial function? mc012-1.jpg
answer
The graph crosses the x axis at x = 0 and touches the x axis at x = 3.
question
According to the Fundamental Theorem of Algebra, which polynomial function has exactly 6 roots?
answer
d
question
How many x intercepts appear on the graph of this polynomial function? mc010-1.jpg
answer
3 x intercepts
question
Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)?
answer
f(x) = 3x3 - 3x2 - 6x
question
Which second degree polynomial function f(x) has a lead coefficient of 3 and roots 4 and 1?
answer
f(x) = 3x2 - 15x + 12
question
Which polynomial function f(x) has a leading coefficient of 1, roots -4, 2, and 9 with multiplicity 1, and root -5 with multiplicity 3?
answer
f(x) = (x + 5)(x + 5)(x + 5)(x + 4)(x - 2)(x - 9)
question
Which polynomial function could be represented by the graph below?
answer
f(x) = 3x2 - 18x + 24
question
Which polynomial function has a leading coefficient of 1 and roots 2i and 3i with multiplicity 1?
answer
f(x) = (x + 2i)(x + 3i)(x - 2i)(x - 3i)
question
Which is the polynomial function of lowest degree with lead coefficient of 3 and roots mc025-1.jpg and 2?
answer
f(x) = 3x3 - 6x2 - 15x + 30
question
Which polynomial function could be represented by the graph below?
answer
f(x) = 2x2 + 2x - 4
question
Which polynomial function could be represented by the graph below?
answer
f(x) = 3x2 - 18x + 24
question
Which polynomial function has a leading coefficient of 1, roots -2 and 7 with multiplicity 1, and root 5 with multiplicity 2?
answer
f(x) = (x - 7)(x - 5)(x - 5)(x + 2)
question
Which polynomial function could be represented by the graph below?
answer
f(x) = -2x3 - 2x2 + 12x
question
Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)?
answer
f(x) = 3x3 - 3x2 - 6x
question
Which second degree polynomial function f(x) has a lead coefficient of 3 and roots 4 and 1?
answer
f(x) = 3x2 - 15x + 12
question
What is the polynomial function of lowest degree with lead coefficient 1 and roots i, -2, and 2?
answer
f(x) = x4 - 3x2 - 4
question
One root of mc020-1.jpg is x = 2. What are all the roots of the function? Use the Remainder Theorem.
answer
x = 2, x = 3, or x = 4
question
Patricia is studying a polynomial function f(x). Three given roots of f(x) are mc018-1.jpg, 3 + 4i, and 10. Patricia concludes that f(x) must be a polynomial with degree 4. Which statement is true?
answer
Patricia is not correct because both 3 - 4i and mc018-4.jpg must be roots.
question
Which of the following is the complete list of roots for the polynomial function mc025-1.jpg?
answer
-2, -4, -3 + 2i, -3 - 2i
question
According to the Rational Root Theorem, which function has the same set of potential rational roots as the function g(x) = 3x5 - 2x4 + 9x3 - x2 + 12?
answer
f(x) = 3x5 - 2x4 - 9x3 + x2 - 12
question
According to the Rational Roots Theorem, which statement about f(x) = 25x7 - x6 - 5x4 + x - 49 is true?
answer
Any rational root of f(x) is a factor of -49 divided by a factor of 25.
question
What must be a factor of the polynomial function f(x) graphed on the coordinate plane below?
answer
x - 1
question
What is the completely factored form of f(x) = 6x3 - 13x2 - 4x + 15?
answer
(x + 1)(2x - 3)(3x - 5)
question
If (x - 2k) is a factor of f(x), which of the following must be true?
answer
f(2k) = 0
question
According to the Fundamental Theorem of Algebra, how many roots exist for the polynomial function? (9x + 7)(4x + 1)(3x + 4) = 0
answer
3 roots
question
Which polynomial function f(x) has a leading coefficient of 1, roots -4, 2, and 9 with multiplicity 1, and root -5 with multiplicity 3?
answer
f(x) = (x + 5)(x + 5)(x + 5)(x + 4)(x - 2)(x - 9)
question
Use synthetic division to solve (x3 + 1) รท (x - 1). What is the quotient?
answer
x^2+x+1+2/x-1
question
Use synthetic division to solve mc009-1.jpg. What is the quotient?
answer
d
question
If f(-2) = 0, what are all the factors of the function mc023-1.jpg? Use the Remainder Theorem.
answer
(x + 10)(x - 2)(x - 6)