Precision and significant digits
Exponents and expersions
Expressions
Equations in One variable
Equations and two variables

100

                What is precision?

 A is a level of detail of measurements 

100

What is the radical symbol?

               √ ̅ 

100

                     a=2 b=4 c=10

                         5a+2bc-c


8

100

                                 Solve 

                             8n-7=2n+5

                              8n-7=5

                        

100

Is this ordered pair an answer to this equation 

                         -5x+2y=4

                            (4,8)

yes

200

What are significant digits ?

 A is one way to resolve the this dilemma

200

What expression contains a radical symbol?

                       An radial expression

200

a=2 b=2 c=-2

  7a-5b+4

 3

200

                                Solve 

                         -4(3x-1)=10-4x

                               - 3/4=x

200

Write R first four terms de this sequence f(n)+2n(n+1)

4,12,24.40

300

What is the most precise measurements?

 Millimeters or centimeters 

300

What property of exponents would you use for 125 and two thirds

                   Power of a power property 

300

                  3a+5b2+2a+4b2

                       

 5a+9b2

300

                            Solve 

                          a(x+b)=c

                          solve for x

                     x=c/a-b

300

Solve this equation 1/3x -2y+7,(9,-2)

7=7

400

How many significant digits does 37.85 have?

4

400

A common speed at which adults roll bowling bals is 15mil/h 15mi/h is equivalent to now many feet per second?

22 feet per second 

400

Write into an expression the sum of 5& a number times 7

                   (5+X)7

400

                    400-3x+5y=15

                see if (8,1) is solution

 Not a solution 

400

 Set these functions equal to each other 

                       f(x)=2x+4

                      g(x)2x-8


 x+3

500

A cyclist travels 105 kilometer m 4.2 hours. use dimensional analysis to convert the cyclists speed to miles per minute. Write your answer with the correct number of significant digits. Use 1mi= 1.61 km

 

 

 A= x miles = 105 km *1mi     * 1hr

       minutes   4.2hr    1.61km    60min

 105mi =0.2588 mi/min

4.2.161


500

The appropriate number of calories C an animal needs each day is given by c=72n three fourths  where m is the animals mass in kilograms. How many calories does an 81 kilograms adult male need each day?

                         22 feet per second 

500

Write into an expression

6 times a number plus 10 over 50

 

 6x+10

    50

500

62-1<-7(y-3)

-2y>y or y<-2

500

X      y       (x,y)

-2

0

1

3

5


x            y             x,y

-2           7            -2,7 

0            5              0,5 

1             4           1,4

3             2             3,2

5               0          5,0