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Total questions: 94
Worksheet time: 8hrs 50mins
8a3
x³-7x²+3
x2-2x+5
is classified as a...
8a3
4x3 + 2x - 9
-27a3 + 9a2 - 45a
Reorder the following polynomial into Standard Form
−x2−15x+7x4−6+3x3
+7x4
−6
−x2
+3x3
−15x
The following is a (a) Polynomial (by degree)
−5x4−2x3+7x2−1
Classify this polynomial by its degree and number of terms.
x2 + 6
7x3 - 11x2 + 8x - 5
What is the degree of
f(x)=3x3−2x2+5x−14
3
-1
x
How many solutions does the equation
0=4x2+2x−1 have?0
1
2
3
How many zeros does the function
g(x)=x4−8x−2 have?3
1
0
4
how many zeros does the function
f(x)=x(x−2)(x+1) have?0
1
2
3
how many zeros does the function
h(x)=x(x+3)2(x+5) have?4
2
1
3
f is a polynomial with real coefficients and
2−i is a zero of f, what is another solution of f(x)?-2 - i
-2 + i
2 + i
2 - i
g is a polynomial function with real coefficients and
−2i is a zero of g. What is another zero?1-2i
1+2i
2i
-2i
f is a polynomial function with real coefficients. If
2−5i is a zero of f, what is another zero of f?2+5i
2−5i
−2−5i
−2+5i
f(x)= x3(x + 3)2(x – 5)
The nth degree of a polynomial is equal to the number of root that same polynomial has: is a true statement of which theorem?
Factor Theorem
Remainder Theorem
Fundamental Theorem
All of the above
None of the above
A polynomial function has a zero at 4 (multiplicity 3) and 0 (multiplicity 1). Write a function that could represent this function.
f(x)=x(x−4)3
f(x)=x(x+4)3
f(x)=(x−4)3
f(x)=x3(x−4)4
What is the effect on the graph if a zero has a multiplicity of 4?
cross
bounce
wiggle (change direction)
What is the effect on the graph if a zero has a multiplicity of 1?
cross
bounce
wiggle (change direction)
What is the effect on the graph if a zero has a multiplicity of 5?
bounce
cross
wiggle (change direction)
What are the zeros for the given polynomial? (Check all that apply)
-4
-3
-2
-1
2
f(x) = -x4 + x3 + 5x2 + x + 6
- Leading Coeff.
+ Leading Coeff.
- Leading Coeff.
+ Leading Coeff.
f(x) = (x+2)(x-3)2(x-4)
Which choice best describes the zeros?
-2, 3 (multiplicity 2), 4
-2 (multiplicity 2), 3, 4
2, -3 (multiplicity 2), -4
2 (multiplicity 2), -3, -4
State the Range.
y ≤ 3
y ≥ 3
All Reals
y ≤ 0
What are the increasing intervals?
(- ∞, -1) & (-1, 0) & (0, 1) & (1, ∞)
(3, 4) & (3, 8)
(- ∞, -1) & (1, ∞)
(-1, 0) & (1, ∞)
At which Zero does the graph cross?
-2
1
3
At which Zero does the graph bounce?
-2
1
3
At which Zero does the graph wiggle?
-2
1
3
What factor would give a zero of -2?
x-2
x+2
What factor would give a zero of 1?
x-1
x+1
What factor would give a zero of 3?
x-3
x+3
What is the leading coefficient of this polynomial?
-5
7
9
10
What is the degree of this polynomial? REMEMBER - add the degrees of each factor
3
9
6
12
What is the degree of this polynomial?
4
7
12
2
What is the degree of this polynomial?
1
2
5
6
Describe the end behavior of the graph.
x → -∞, f(x) → ∞ and x→∞, f(x) →⁻∞
x → -∞, f(x) → ∞ and x→∞, f(x) →∞
x → -∞, f(x) → ∞ and x→∞, f(x) → 0
x → -∞,f(x) → -∞and x→ ∞, f(x) → ∞
In the above graph complete the following end behavior:
As x --> -∞, f(x) --> ____
As x --> +∞, f(x) --> ____
-∞
-∞
+∞
-∞
-∞
+∞
+∞
+∞
4x - 2
4x + 2
4x - 2 + (1/3x - 1)
4x + 2 + (1/3x - 1)
What should you add to this problem?
(2x3 + 5x2 + 9) ÷ (x + 3)
0x4
0x3
0x2
0x
2x - 4
2x + 4
2x - 1 + -16/4x-5
2x - 4 + -40/4x-5
(4x2 - 24x + 35) ÷ (2x - 5)
2x - 7
2x - 12
2x + 12
2x + 7
(27x3 + 9x2 - 3x - 10) ÷ (3x - 2)
9x4+5
9x2+9x+5
9x2-9x+5
9x2-9x
x+35x2+5x−26
5x−10+x+34
5x−13+x+38
5x−12+x+31
5x−10+x+35
x+32x3+5x2+0x+9
2x2+3
2x2−x+3+x+39
2x2−x+3
2x2−x+3+x+318
4x−58x2+6x−20
2x+4−4x−540
2x+4
2x−1−4x−516
2x−4
(9x3 − 15x2+27x)÷3x
3x2−5x+9
3x−5
3x3+5x+9
3x2+5x+9
What is an expression of more than two algebraic terms?
Monomial
Binomial
Polynomial
Multiplication
What is the answer after we divide on number by another?
Polynomial
Dividend
Quotient
Divisor
True/False:
You must place each term in the quotient directly above its counterpart in the dividend.
True
False
(12x2−16x−4)÷4
3x2+4x−1
3x2−4x
3x2−4x−1
4x
(25x3−5x)÷5x
5x3−x2
5x2−1
5x2+1
5x−1
What is the remainder when x4 - 5 is divided by x + 3?
76
81
7
What is the remainder of (4x3 - 3x2 - 4x +2) ÷ (x - 3)?
-71
71
145
What is the remainder of (x3 - 5x2 - 8x +1) ÷ (x + 1)?
-13
1
3
If f(x) = 5x2 ─ 7x ─10, find the value of f (5) using synthetic division.
150
80
70
What is the remainder when (x13 + 10) is divided by (x + 1)?
9
10
11
What is the remainder when (5x20 – 19) is divided by (x ─ 1)?
81
14
- 14
Given P(x) = x3 + x2 – x ─ 9, what is the value of P (4)?
14
-53
67
What is the remainder when n3 - 7 is divided by n + 5 ?
118
132
-132
What the remainder after x3 - 2x2 - 5x + 6 is divided by x - 3
(a)
What the remainder after x3 - 2x2 - 5x + 6 is divided by x - 1
(a)
What is the remainder of (4x3 - 3x2 - 4x +2) ÷ (x - 3)?
-71
71
145
Is k = -3 a zero of the function?
(2x3 - 5x - 7) ÷ (x - 2)
Use synthetic division
x - 7
x2 - 7
x + 7
x2 + 3x - 54
Is (x−2) a factor of f(x)=x3−8x2+14x−4 ?
Yes, (x-2) is a factor.
There is a remainder.
No, (x-2) is not a factor.
The remainder is zero.
Yes, (x-2) is a factor.
The remainder is zero.
No, (x-2) is not a factor.
There is a remainder.
Divide using synthetic division (2x3+4x2−5)÷(x+3)
2x² + 2x - 4 R(-12)
2x² - 2x + 6 R(-23)
2x² - 2x + 8 R(-20)
2x² - 4x + 1 R0
0
-3
9
5
What should be the correct order of the coefficients when setting up synthetic division for (3x−4x3+6x4+1)÷(x+3) ?
3 0 -4 6 1
6 -4 3 1 0
6 -4 0 3 1
-6 4 0 -3 -1
If you were dividing x6+4x3+2 , how many 0's would you need as placeholders when setting up the top row of your synthetic division?
0
2
4
6
What is the proper way to write the answer for the following problem?
2x3-x2-25x+12
2x4-x3-25x2-12x+0
2x3-x2-25x-12
2x4-x3-25x2-12x-0
2x3+5x
