Project #32818 - MAT101 MOD 5

 

MAT101 Case 5 Answer Template

 

 

 

Name:                        

 

Date:                           

 

Instructor:                      

 

 

 

Use this template to insert your answers for the assignment.  Please use one of the four methods for showing your work (EE, Math Type, ALT keys, or neatly typed).  Remember that your work should be clear and legible.  

 

 

 

Simplify

 

 

 

1.  (42)3

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

2.  4

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

3. 2

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

 

 

 

 

 

4.  (a4b6)0

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

5.  (-2x)-6

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

Evaluate each polynomial for the given value of the variable.

 

 

 

6.  –x2-5x+6;   x= -3

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

7.  2x2-4x-1;    x= 5

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Add the polynomials.

 

 

 

8.  (4y+5y2) + (2y3-8y2)

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

9.  (3x2-2x-3) + (-7x2+5-8x)

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

Subtract the polynomials.

 

 

 

10.  (4a2+9b5) - (-2a2-6b5)

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

11.  (-7-2z3+4y) - (3z3+12-6y)

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

 

 

 

 

 

 

 

 

Use the FOIL method to simplify the binomials.

 

 

 

12.  (x-10) (x-9)

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

13.  (2x-2) (x+5)

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

14.  (3y-4)2

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

15.  3x(x-1) (5x+9)

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

16.  (y-2) (3y3-5y+7)

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

Compute and write your answer in scientific notation.

 

 

 

17.  (5.2 x 1013) (7.1 x 10-22)

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

18.  (4.3 x 10-8) (1.5 x 109)

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

19.  8.2 x 105

 

       2.75 x 10-3

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

20.  6.3 x 10-7

 

       3.25 x 10-12

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

 

 

MAT101 SLP 5 Answer Template

 

 

 

Name:                        

 

Date:                           

 

Instructor:                      

 

 

 

Use this template to insert your answers for the assignment.  Please use one of the four methods for showing your work (EE, Math Type, ALT keys, or neatly typed).  Remember that your work should be clear and legible.  

 

 

 

Write the final answer in the terms being asked such as dollars/cents, degrees, tickets, etc.

 

 

 

1.  Your friend Mary computes (x5)(x7) and gets and answer of x35.  Explain why her answer is incorrect and include the correct answer.

 

Explanation & answer: ­­­­_______________ 

 

 

 

2.  Is (x+y)2 equal to (x2+y2)?  Explain why or why not using an example to support your answer.

 

Explanation & answer: ­­­­_______________ 

 

 

 

3.  When multiplying two terms with the same base, _____________ the exponents.  When dividing two terms with the same base, _____________ the exponents. 

 

 

 

4.  John wants to hire an editor to check his thesis paper.  The editor charges a flat rate of $50 and $2 per page.  Write a polynomial to describe the cost.  Find the cost of editing 75 pages.

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: Polynomial:­­­­ ____________________Cost:_________________ 

 

 

 

 

 

5.  The distance from the Earth to the sun is 93,000,000 miles.  Write this number in scientific notation.

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

6.  A scientist measures a speck of sand as having a diameter of 0.00000034.  Write this number in scientific notation.

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

7.  Stacy wants to build a triangular sand box for her son.  Using the figure below, calculate the area of the triangular box, writing the answer as a polynomial. 

 

(Hint: A=bh)

 

 

 

 
 

 


                       

 

                                                  

 

 

 

                                               

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

 

 

8.  Victoria wants to plant a vegetable garden in the shape of a square.  She has a space allocated in her backyard that will accommodate 175 square feet.  Using the drawing below, use the FOIL method to find the polynomial that represents the area of the square.  If x=6, will she have enough room to plant the garden?

 

 

 

 
 

 


                        (2x+3)

 

                       

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

Will she have enough room to plant the garden when x=6?  _______________ 

 

 

 

9.  Sam needs to fill up a box with packaging material.  Use the picture below to calculate the volume of the box. 

 

Text Box: 2x+3Text Box: x-3Text Box: x+2                                      

 

                                                           

 

Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­_______________ 

 

10.  Jen and Jacob want to put a cement deck around their pool.  Use the figure below to calculate the area of the deck.  Second, simplify the area if x=4.75.  Round to the nearest hundredth. 

 

 

 

 

 

 
 

 


                                   

 

 

 

 

 

 

 

             
    Text Box: 3x-4
      Text Box: 2x+6
 
  Text Box: x+3
 
    Text Box: 3x-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


Calculations:

 

 

 

 

 

 

 

 

 

Answer: ­­­­

 

The expression is: _______________ 

 

The total square feet of the deck is: ___________

 

Subject Mathematics
Due By (Pacific Time) 06/30/2014 12:00 am
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