What is the line that cuts a graph of a quadratic function in half?

Axis of symmetry

Step-by-step explanation:

The maximum or minimum point on the parabola is the vertex

To cut the parabola into two congruent halves, we use vertex

A vertical line that crosses the vertex cuts the parabola in two halves.

The vertical line that crosses the vertex is called as axis of symmetry.

So, the axis of symmetry  is the line that cuts a graph of a quadratic function in half.

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: )

step-by-step explanation:

answer:   28.56 feet (approx)

step-by-step explanation:

since, triangle abc has measure of angle c equal to 55 degrees, measure of angle abc equal to 90 degrees, and length of bc equal to 20 feet.

we have to find out the measurement of segment ab.

therefore, tan 55° =

but bc = 20 feet.

⇒ tan 55 ° =  

⇒ ab = 20 × tan 55 °

⇒ ab = 20 × 1.42814800674

⇒ ab = 28.5629601348   ≈ 28.56 feet