7.5B Solving (x+a)(x+b)=c
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Slide 1 - Tekstslide
Explain why this is solved with a square root
x2=9
Slide 2 - Open vraag
How do you solve
x2+4x−5=0
A
Factorise
B
Sum product
C
Balance method
D
Square root
Slide 3 - Quizvraag
Drag the correct way of solving to the correct type of equation
x2=9
x2+4x−5=0
x2+4x=0
x+4=2
Square root
Balance method
Factorise
Sum product
Slide 4 - Sleepvraag
Factorise
x2+4x−5=0
A
(x+4)(x-1)
B
(x+5)(x-1)
C
(x-1)(x+5)
D
(x-5)(x+1)
Slide 5 - Quizvraag
Solve
x2+4x−5=0
Slide 6 - Open vraag
What do you do after calculating the x coordinate to calculate the y coordinate?
Slide 7 - Open vraag
Slide 8 - Tekstslide
What is the next step to solve
(x+2)(x+2)=3x
A
Make equal to zero
B
Remove brackets
C
Simplify
D
Solve for x
Slide 9 - Quizvraag
Solve
(x+4)(x−2)=−5
