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Area and Perimeter - Factoring

Authored by Brian Franks

Mathematics

9th - 10th Grade

Used 3+ times

Area and Perimeter - Factoring
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the Area?

2x23x182x^2-3x-18 sq, in.

2x2+3x+182x^2+3x+18 sq. in.

2x2+9x182x^2+9x-18 sq. in.

2x29x182x^2-9x-18 sq. in.

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A rectangle has an area of 2x2 – 19x +45 ft2. What are the possible dimensions of the rectangle?

(2x - 9)(x - 5)

(2x + 9)(x + 5)

(2x - 5)(x - 9)

(2x - 5)(x + 9)

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is a difference of perfect squares?

x2 - 18
4x2 + 36 
9x2 - 100
x2 + 4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The area of a rectangular painting is  2x2+13x72x^2+13x-7 units.  Which of the following could be the dimensions of the painting? 
*Hint: Factor the trinomial*

 (2x+1)\left(2x+1\right)  units by  (2x+7)\left(2x+7\right)  units

 (x1)\left(x-1\right)  units by  (x+14)\left(x+14\right)  units

 (x+1)\left(x+1\right)  units by  (2x+7)\left(2x+7\right)  units

 (2x1)\left(2x-1\right)  units by  (x+7)\left(x+7\right)  units

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a rectangular field has a length of  x+7x+7  and a width of  4x24x-2  ,  write an expression for the length of fencing to go around the outer edges.

 5x+55x+5  

 10x+1010x+10  

Why do we need fences?

 4x2144x^2-14  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the perimeter for a rectangle that has an area of 2x2 + 6x – 8 and a side of 2x – 2.

(Hint: First find the other side)

x + 4

6x + 4

x - 4

3x + 2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A square has a side length of x + 4. What is the area of the square?

x2 + 16
x2 + 8x + 16
4x + 16
x2 - 8x + 16

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