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Mathematics 23 Online
klmjnmkj:

math

klmjnmkj:

1 attachment
klmjnmkj:

Determine the axis of symmetry of the graph of the following parabola. @Florisalreadytaken

Florisalreadytaken:

ok, firstly we have to simplify that\[ 2(x+6)^2 -5 \]

Florisalreadytaken:

by simplifying that, we get \[ 2x^2+24x+67 \] our b=24 whilst a=2

klmjnmkj:

2x^2+24x+67

klmjnmkj:

whats next

Florisalreadytaken:

use this formula\[ x= -\frac {b}{2a} \]

klmjnmkj:

-6?

klmjnmkj:

flor

Florisalreadytaken:

yes, that's right!

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