Standard Form: A polynomial in standard form is a polynomial where the terms are arranged in order from the highest degree to the lowest degree. The coefficients can be positive or negative whole numbers.
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Question 1
1.
What is the leading coefficient of the polynomial
in standard form?
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Question 2
2.
When the following expression is in standard form, what is the coefficient of the 3rd term?
CLOSURE: Polynomials will be closed under an operation if the operation produces another polynomial.
Adding polynomials creates another polynomial.
Subtracting polynomials creates another polynomail.
Multiplying polynomials creates another polynomial.
Dividing polynomials does not necessarily create another polynomial.
Polynomials are NOTclosed under division (as you may get a variable in the denominator).
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Question 3
3.
Expand and simplify the polynomial in standard form.
_______
Does the simplified expression demonstrate closure under the operation._______ (yes or no)
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Question 4
4.
Expand and simplify the polynomial in standard form.
_______
Does the simplified expression demonstrate closure under the operation. _______ (yes or no)
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Question 5
5.
Expand and simplify the polynomial in standard form.
_______
Does the simplified expression demonstrate closure under the operation. _______ (yes or no)
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Question 6
6.
Expand and simplify the polynomial in standard form.
_______
Does the simplified expression demonstrate closure under the operation. _______ (yes or no)
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Question 7
7.
Expand and simplify the polynomial in standard form.
_______
Does the simplified expression demonstrate closure under the operation. _______ (yes or no)
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Question 8
8.
Expand and simplify the polynomial in standard form.
_______
Does the simplified expression demonstrate closure under the operation. _______ (yes or no)
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Question 9
9.
Expand and simplify the polynomial in standard form.
_______
Does the simplified expression demonstrate closure under the operation. _______ (yes or no)
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Question 10
10.
Expand and simplify the polynomial in standard form.
_______
Does the simplified expression demonstrate closure under the operation. _______ (yes or no)
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Question 11
11.
Expand and simplify the polynomial in standard form.
_______
Does the simplified expression demonstrate closure under the operation. _______ (yes or no)
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Question 12
12.
Determine an expression that represents the perimeter.
Perimeter = _______
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Question 13
13.
Determine an expression that represents the area.
Area = _______
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Question 14
14.
Determine an expression that represents the perimeter.
Perimeter = _______
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Question 15
15.
Determine an expression that represents the area.
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Question 16
16.
Determine an expression that would represent the area of the shaded region shown.
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Question 17
17.
Write a polynomial that represents the area of the football field.
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Question 18
18.
Find the area of the football field when the width is 160ft.
A hotel will install a new patio around the already existing pool and hot tub.
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Question 19
19.
Write a polynomial in standard form that represents the area of the patio, (just the patio).
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Question 20
20.
Explain how your polynomial models the situation. (ANSWERS WILL VARY)
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Question 21
21.
The hotel is just replacing the patio.
If x = 9, determine the total cost for materials if materials cost $10 per square foot.
A contractor extends a house on two sides.
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Question 22
22.
What is the total area of the house after the renovation?
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Question 23
23.
Describe how your expression models the situation.
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Question 24
24.
What is the area of the extension (extension only) when x = 15?
The area of the extension is _______ square feet.
Solving Equations Examples
Example 1:
Example 2:
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Question 25
25.
Solve the equation.
2x + 3 = 9
x = _______
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Question 26
26.
Solve the equation.
7x + 1 = 2x + 46
x = _______
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Question 27
27.
Solve the equation.
3x - 1 = 14
x = _______
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Question 28
28.
Solve the equation.
6x - 3 = 2x + 13
x = _______
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Question 29
29.
Solve the equation.
9x - 10 = 7x + 24
x = _______
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Question 30
30.
Solve the equation.
Hint - With a degree of 2, you should look for 2 solutions.
x2 - 8x = -12
x = _______
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Question 31
31.
Solve the equation.
Hint - With a degree of 2, you should look for 2 solutions.
2x2 - 11x = 6
x = _______
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Question 32
32.
Solve the equation.
Hint - With a degree of 2, you should look for 2 solutions.