9.2 Absolute Value Equations

Basics of Absolute Value

100

What are two possible solutions for |x| = 3

{3, -3}

200

Absolute value can be negative. True of False?

False

300

How many solutions are there to |x+1|=-2

None!

400

| z + 5 | = 10

 { 5 , -15 }

500

What does Absolute Value mean?

The distance from Zero. 

Equations 1

100

| z - 13 | = 21

{ -8 , 34 }

200

| d + 1 | = 7

 { 6 , -8 }

300

 | q + 6 | = 20

 { 14 , -26 }

400

| p + 1 | = -3

No Solution

500

| x - 4 |  = 6

What is { -2, 10 }

Equations 2

100

What is the absolute value of  |-298| +1

299

200

| a - 6 | = 10

{ 16 , -4 }

300

3 | r - 4 | = -21

No solution

400

6 | g - 3 | = 42

 { 10 , -4 }

500

| 6y | = 12

 { -2 , 2 }

Equations 3

100

| w + 9 | = 17

{ 8 , -26 }

200

2 | x + 5 | = 22

What is { 16 , -6 }

300

3 | 2a - 4 | = 0

2 

400

2 | y + 4 | = 14

 { 3 , -11 }

500

-3 | 3t - 2 | -12 = -6

No Solution 

Sports Day 2019

100

What department came 2nd in the Staff Relay?

PE

200

Who was the DJ?

Mr Sam

300

Who ran the 2nd part of the Staff Relay for Team Math?

Mr Michael

400

Write the names of the 4 departments that took part in the staff relay. 

Math

PE 

Science

Arabic

500

How many students participated yesterday? (You can give me a region eg. 220-230). Closest team gets the points. 

440-450