Absolute Value Equations and Inequalities

Absolute Value of Real Numbers

100

What is the absolute value or |20|?

20

200

What is the absolute value of |-300|?

300

300

What is the absolute value of |3.6|?

3.6

400

What is the absolute value of | -4   1/8|?

4  1/8

500

Does 0 have an absolute value?

Yes...and No... (convince me!)

Absolute Value Expressions

100

|3+8|

11

200

|1-2l

1

300

|-7 x 3|

21

400

|-10-4l

14

500

|-16+3|

13

One-Step Absolute Value Equations (variables)

100

l3xl=27

x=-9,9

200

What is lx+5l=10

x=-15, 5

300

l4x+22l=30

x=-13, 8

400

l8p/3l=4

p=-3/2,3/2

500

l17d/4l=127

x=-508/7,508/7

Multi-Step Absolute Value Equations (variables)

100

lv+8l-5=2

v=-15,-1

200

l5xl+5=45

x=-8,8

300

6l1-5xl-9=57

x=-2, 12/5

400

l8x+4l/2=16

x=-9/2,7/2

500

2l100x+4l+6=6x+4

x=-5/97 (extraneous),x=-3/103

Absolutely Weird Trivia

100

Which math teacher is left handed

ME!

200

How many AB muscles are there (in humans)?

10! (but up to 20% of people are missing one or more)

300

When is our next half day?

Friday, 10/11

400

What does Absolute Power do?

Corrupts absolutely! (per Lord Acton)

500

Who is the principal at BFUHS? 

BONUS: Who is the superintendent?

Principal: Kelly O'Ryan

Superintendent: Andy Haas