# 7.5A Intersecting graphs

8.5A
Intersecting graphs
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Slide 1: Slide
WiskundeMiddelbare schoolhavoLeerjaar 2

This lesson contains 11 slides, with interactive quizzes and text slides.

Lesson duration is: 45 min

## Items in this lesson

8.5A
Intersecting graphs

#### Slide 1 -Slide

Link the correct way of solving to the correct equation
x2+5x=0
x+5=0
x2+12x+20=0
x2=16
Sum product
Square root
Factorise
Balance method

#### Slide 2 -Drag question

What method do you use to solve this equation?
x2+3x=0
A
Factorise
B
Sum product
C
Balance method
D
Square root

Solve
x2+3x=0

#### Slide 4 -Open question

What method do you use to solve this equation?
x2+4x+3=0
A
Factorise
B
Sum product
C
Balance method
D
Square root

Solve
x2+4x+3=0

#### Slide 6 -Open question

8.5A
Intersecting graphs

#### Slide 7 -Slide

What is the first thing you do to solve this?
x2+6x+4=2x+1
A
Use sum product
B
Make equal to 0
C
Calculate x
D
Sketch the graph

#### Slide 8 -Quiz

What should you do after solving the equation?
A
Write down the answer
B
Calculate the y-coordinate
C
Write down as a coordinate
D
Sketch the graph

#### Slide 9 -Quiz

Calculate the coordinates of the point of intersection of
x2+6x+4=2x+1

Question Time