Question

2x^2 -8x+5=0
Rewrite this quadratic into vertex form and then give the vertex:

Answer 1

Explanation:

Starting with

2

x

2

−

5

=

0

, first add 5 to both sides to get:

2

x

2

=

5

Divide both sides by 2 to get:

x

2

=

5

2

Take the square root of both sides (allowing both positive and negative roots) to get:

x

=

±

√

5

2

=

±

√

5

√

2