The zeros of a quadratic function are -12 and 4. What is the equation for the axis of symmetry

x = -4

Step-by-step explanation:

The axis of symmetry of a quadratic function must be equidistant from both branches of the parabola that the quadratic function describes. therefore, the axis of symmetry must be a vertical line that lies at exactly the middle point between the crossings of the parabola branches on the x axis.

These two crossings are the zeroes of the parabola (given as -12 and 4).

So we notice that the distance between these two points is 16 units: |12-(-4)| = 16. Therefore the axis of symmetry should be located at half distance from these two points, that is: at 8 units from each.

This makes the axis' position 8 units to the right of "-12", which gives x = -4.

Then the equation of the axis of symmetry for this quadratic function must be the vertical line defined by:

x = -4

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared

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step-by-step explanation:

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