The Evalution Version, this page, is used to check answers and look at work.

    The Printable Version, the next page, is a clean copy for pencil & paper work.

    On the buttons below, A = answer, C = check, W = work.

1. State the Order of Operations.

2.   Simplify mentally or with the x-to-the-y function.

 

Reply:

3.   Simplify each expression.

a.   20 - 4 · 3 - 2  

    Reply:

b.   20 - (4 · 3 - 2)  

    Reply:

c.   (20 - 4) · (3 - 2)  

  Reply:

4.   Simplify.  

  Reply:

5. Simplify. 4 + 5 · [ 4 + 8 ÷ 2 ÷ 2]

For answers to above, scroll down. 4 + 5 · [ 4 + 8 ÷ 2 ÷ 2] 4 + 5 · [ 4 +   4 ÷ 2] 4 + 5 · [ 4 +     2] 4 + 5 · 6 4 +   30 = 34

6. Simplify.

   

 

Reply:

7. the square root of the sum of four squared, three to the zero power, and two cubed

a. Write using arithmetic symbols.

b. Simplify.

b. To see work, scroll down. the square root of the sum of four squared, three to the zero power, and two cubed the square root of the sum of 16, 1, and 8 the square root of 16 + 1 + 8 the square root of 25 is 5

8.    On the last page, absolute value and square root were written using abs(argument) and sqrt(argument) so that the idea could be typewritten on one line without special math symbols. Please simplify the expression written using this code used by calculators, computers, and web pages. NOTE: The symbol * is used to indicate multiplication. The / symbol indicates division.

5 + 4 * ( sqrt((10+3)*(16-3) - 12/2*2*12)/10 + abs(3 - 1/2))

To see work, scroll down. 5+4*(sqrt((10+3)*(16-3) - 12/2*2*12)/10 + abs(3-1/2))= 5+4*(sqrt((13)*(13) - 6*2*12)/10 + abs(2.5))= 5+4*(sqrt(169 - 12*12)/10 + 2.5)= 5+4*(sqrt(169 - 144)/10 + 2.5)= 5+4*(sqrt(25)/10 + 2.5)= 5+4*(5/10 + 2.5)= 5+4 * 3=5 + 12 = 17

9.     In the last problem, web page code was mentioned.

1st: Visit the Functions and Operations page

2nd: Use your browser to access the code which produces the page by pressing: [VIEW] then [SOURCE].

3rd: Scroll through the code to see things like

• Math.abs(argument) which indicates absolute value and
• Math.sqrt(argument) which indicates square root.

4th: Close the Notepad© file which displays the code.