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Laabri

HG U1D10 Unit 1 Test Review Aug15

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Last updated about 1 year ago
20 Nsɛmmisa

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Use the figure below to write a simplified polynomial expression for the perimeter and area.

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1.

Perimeter

Write a polynomial expression in standard form to represent the perimeter.

Perimeter = units

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2.

Lead Coefficient

The lead coefficient of the perimeter is .

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3.

Degree

The degree of the perimeter is .

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4.

Area

Write a polynomial expression in standard form to represent the area.

Area = units2.

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5.

Degree

The degree of the area is .

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6.

Constant

The constant of the area is .

The rectangle below is stretched. The lengths are increased by 2 feet and the widths are decreased by 2 feet.

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7.

New Area

Write a polynomial expression in standard form to represent the new area.

New Area = ft2

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8.

Did the area increase, decrease or stay the same?

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9.

Determine whether each statement is always, sometimes, or never true.

The sum of two trinomials is always a trinomial.

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10.

Determine whether each statement is always, sometimes, or never true.

Any 3rd degree polynomial always has four terms.

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11.

Determine whether each statement is always, sometimes, or never true.

A polynomial of degree 3 is added to a polynomial of degree 5. The sum would have a degree of 4.

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12.

Solve for x.

44x - 7 = 31 + 6

x =

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13.

Solve for x.

14x + 18 = 40 - 8x

x =

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14.

Write a polynomial expression in standard form to represent the volume of the box.

Volume = mm3

The degree of the volume is .

The volume has term. (number of terms)

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15.

Write a polynomial expression in standard form to represent the volume of the box.

Volume = mm3

The degree of the volume is .

The volume has term. (number of terms)

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16.

Find the sum.

(2x2 + 3x + 2) + (3x2 - 5x -1) =

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17.

What's the difference?

(3x2 - 5x - 1) - (2x2 - 3x - 2) =

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18.

Products!

a. 3x(4x + 2) =

b. (x + 2)(x -1) =

c. (x + 5)(x2 - 11x + 6) =

d. (x - 3)(x + 4)2 =

Area of the Shaded Region

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19.

Express the area of the shaded region as a polynomial is standard form.

Areashaded region =

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20.

If the area of the shaded region is 52 cm2, what is the value of x?

x =

(try graphing it)