# Maths HELP!

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#1
I got the first part of the question but I'm really confused on how to do part b and c. Could someone help me please
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4 weeks ago
#2
(Original post by Hollymae764)
I got the first part of the question but I'm really confused on how to do part b and c. Could someone help me please
For (b) try putting into completed square form.
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#3
(Original post by Muttley79)
For (b) try putting into completed square form.
Okay so i get (x +1/2)^2 - 0.25 + 1
(x +1/2)^2 + 0.75
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#4
(Original post by Hollymae764)
Okay so i get (x +1/2)^2 - 0.25 + 1
(x +1/2)^2 + 0.75
I get that it will always be positive because its been squared and greater than one since 0.75 has been added, but why does is not apply the x = 2
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4 weeks ago
#5
(Original post by Hollymae764)
I get that it will always be positive because its been squared and greater than one since 0.75 has been added, but why does is not apply the x = 2
Do you mean x not equal to -2?

Look at the denominator .... division by zero is not defined.
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#6
(Original post by Muttley79)
Do you mean x not equal to -2?

Look at the denominator .... division by zero is not defined.
ohh i see now thank you very much!
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