Journal Notes and Skills Test

The characteristics of irrational number are​ (a)   ​ ​ (b)   ​ (c)   ​ (d)   ​ (e)  

• not rational
• not perfect squares
• not perfect cubes
• not simple fractions
• not repeating decimals/terminating
• square root
• rational
• all fractions
• decimals only
• repeating decimals

Select all the irrational numbers

(There are more than one)

• π (pi)

• √27

• -0.056

• -√6

Every number ever

A number in scientific notation is expressed as the product of two factors. The first factor is

• a power 10

• a number between 1 and 10

• the base

• the exponent

Match the following

• Smaller Number

• Used for smaller numbers in Scientific Notation

• Negative exponent

• Base

• Move the number to the left as many times as necessary to get a number between 1 and 10

• Large Numbers

• Move the number to the right as many times as necessary to get a number between 1 and 10

• Exponent

A Function is

• How a math problem works

• Vertical Line test

• when each output value has only one input value

• when each input value has only one output value

I can determine a function on a graph by​ (a)  

• performing a vertical line test
• creating a mapping diagram
• making a table
• adding up the points

A relation is proportional if

• it is a straight line

• has a slope

• passes through the origin (0,0)

• it is on a coordinate grid

What is the constant of proportionality? 

• 5
• 1/5
• 10
• 2

What is the constant of proportionality?

• 4
• 12
• 3
• 1/3