# Linear inequalities

13.5 Linear inequalities
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Slide 1: Tekstslide
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In deze les zitten 36 slides, met interactieve quizzen en tekstslides.

## Onderdelen in deze les

13.5 Linear inequalities

#### Slide 1 -Tekstslide

Today
• Start (5 min)
• New subject (15 min)
• Bettermarks (20 min)
• Recap (20 min)
• Bettermarks (15 min)
• End lesson (5 min)

#### Slide 2 -Tekstslide

What notation belongs to all numbers smaller or equal to 6?
timer
0:45
A
x < 6
B
x ≤ 6
C
x > 6
D
x ≥ 6

#### Slide 3 -Quizvraag

What notation belongs to all numbers between 2 and 5?
timer
0:45
A
2 < x < 5
B
2 < x > 5
C
2 > x < 5
D
2 > x > 5

#### Slide 4 -Quizvraag

Notation on the number line

• x < -1
• x ≥ 5
• 2 ≤ x < 3

#### Slide 5 -Tekstslide

13.5: Linear inequalities

• x < 1, open circle if the number is not included

• x ≥ 4, colored circle if the number is included
timer
3:00

A
1 < x < 4,5
B
1 > x > 4,5
C
1 > x < 4,5
D
1 ≤ x ≤ 4,5

1 < x < 4,5

Linear equations
8x+9=2x17

#### Slide 9 -Tekstslide

Linear inequalities
8x+9<2x17

#### Slide 10 -Tekstslide

Note: Solving linear inequalities
You solve a linear inequalitie by using the balance method. The sign reverses if you divide by a negative number.
Example 1                                                     Example 2
3x+7>x3
2x>10
3x>x10
x>5
6x+1>8x4
6x>8x5
2x>5
x<2.5
timer
4:00

2x+9<5x6

Solve
10+3x<2x
timer
2:00

10+3x<2x

#### Slide 14 -Tekstslide

Bettermarks
• Work on 13.5
• 20 minutes
• Raise your finger if you have any questions or when you're finished
timer
20:00

#### Slide 15 -Tekstslide

Recap 13.2, 13.3, 13.4
• Go to LessonUp
• Pen and paper to make calculations
• Calculator

#### Slide 16 -Tekstslide

13.2 Factoring binomials
14x221x

Factor
16q2+24q
timer
0:45

#### Slide 18 -Open vraag

13.2 Factoring binomials
Solve the equation:
15p2+10p=0

#### Slide 19 -Tekstslide

Solve the equation
8m2+20m=0
timer
2:00

#### Slide 20 -Open vraag

Solve the equation
8m2+20m=0

#### Slide 21 -Tekstslide

13.3 Factoring trinominals
Factor
x2+8x+15

Factor
x2+12x+36
timer
1:00

Factor
x2+11x+24
timer
1:00

Factor
x2+5x14
timer
1:00

Factor
x26x+5
timer
1:00

#### Slide 26 -Open vraag

13.4: Power functions
Solve the equation

x19=1843

#### Slide 27 -Tekstslide

13.4: Power functions
Solve the equation

x19=1843
x=191843

#### Slide 28 -Tekstslide

13.4: Power functions
Solve the equation

x19=1843
x=191843
x  1.49

#### Slide 29 -Tekstslide

13.4: Power functions
Solve the equation

or
x19=1843
x=191843
x  1.49
x  1.49

#### Slide 30 -Tekstslide

Solve the equation
x4=6561
timer
0:40

#### Slide 31 -Open vraag

13.4: Power functions
Solve the equation
5x6+13=148

#### Slide 32 -Tekstslide

Solve the equation
x5+11=71
timer
1:30

#### Slide 33 -Open vraag

Solve the equation
x5+11=71

#### Slide 34 -Tekstslide

Solve the equation
x8=256

#### Slide 35 -Tekstslide

Bettermarks
• Work on 13.5
• Until the end of the lesson
• Raise your finger if you have any questions or when you're finished