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7.5B Solving (x+a)(x+b)=c
8.5B
Solving (x+a)(x+b)=c
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Slide 1:
Slide
Wiskunde
Middelbare school
havo
Leerjaar 2
This lesson contains
11 slides
, with
interactive quizzes
and
text slides
.
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Items in this lesson
8.5B
Solving (x+a)(x+b)=c
Slide 1 - Slide
Explain why this is solved with a square root
x
2
=
9
Slide 2 - Open question
How do you solve
x
2
+
4
x
−
5
=
0
A
Factorise
B
Sum product
C
Balance method
D
Square root
Slide 3 - Quiz
Drag the correct way of solving to the correct type of equation
x
2
=
9
x
2
+
4
x
−
5
=
0
x
2
+
4
x
=
0
x
+
4
=
2
Square root
Balance method
Factorise
Sum product
Slide 4 - Drag question
Factorise
x
2
+
4
x
−
5
=
0
A
(x+4)(x-1)
B
(x+5)(x-1)
C
(x-1)(x+5)
D
(x-5)(x+1)
Slide 5 - Quiz
Solve
x
2
+
4
x
−
5
=
0
Slide 6 - Open question
What do you do after calculating the x coordinate to calculate the y coordinate?
Slide 7 - Open question
Instruction
In OneNote
Slide 8 - Slide
What is the next step to solve
(
x
+
2
)
(
x
+
2
)
=
3
x
A
Make equal to zero
B
Remove brackets
C
Simplify
D
Solve for x
Slide 9 - Quiz
Solve
(
x
+
4
)
(
x
−
2
)
=
−
5
Slide 10 - Open question
Question time
Slide 11 - Slide
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