WU M3 2.1 - 2.2 Review Lesson Slides: 5 Slides

5 Slides • 10 Questions

1

WU M3 2.1 - 2.2 Review

By Casey Murr

2

Steps for Solving Equations

Isolate the absolute value
Write two equations
Solve the two equations
Check your answers (sometimes one or both values do not work)

3

Greater than (>)

Greater than equal to (>)

Remember GREAT "OR"

Inequalities

Less than ( <)

Less than equal to( <)

Remember LESS "AND"

4

5

6

Multiple Choice

Solve for x
l 2x−1 l = 9

1

x = 5 and x =-4

2

x = 5 and x = -5

3

Only x = 5

4

No Solution

7

Multiple Choice

Solve for x
l x−6 l + 4= 10

1

x = 12 and x = 0

2

x = 3 and x = -3

3

x = -12 and x = 0

4

No Solution

8

Multiple Choice

−2|−2r − 4| = -12

1

x = 5 and x = 1

2

x = -5 and x = -1

3

x = -5 and x = 1

4

No Solution

9

Multiple Choice

Which symbol means less than?

1

$<$

2

$>$

3

$\le$

4

$\ge$

10

Multiple Choice

Which symbol means greater than or equal to?

1

$<$

2

$>$

3

$\le$

4

$\ge$

11

Multiple Choice

Would this absolute value equation be an "AND" or "OR"? $\left|-4x+7\right|\ge3$

1

AND

2

OR

12

Multiple Choice

Would this absolute value equation be an "AND" or "OR"? $\left|3x+1\right|<7$

1

AND

2

OR

13

Multiple Select

Which of the following absolute value inequalities would be an "OR"? (CHOOSE ALL THAT APPLY)

1

$\left|4x-1\right|>5$

2

$\left|-3x+7\right|<11$

3

$\left|5x+\frac{1}{2}\right|\ge1$

4

$\left|2x-10\right|\le50$

5

$\left|7x+5\right|>6$

14

Multiple Choice

Solve the absolute value inequality.

$\left|2x-1\right|<3$

1

$x<-1\ or\ x>2$

2

$1<x<2$

3

$-1<x<2$

4

$-1>x>2$

15

Multiple Choice

Solve the absolute value inequality.

$6\left|x+3\right|-10\ge-4$

1

$x\le-4\ or\ x\ge-2$

2

$-4<x<-2$

3

$-2<x<4$

4

$x\le-4\ or\ x\ge2$

WU M3 2.1 - 2.2 Review

By Casey Murr

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