Jared took a math quiz last week he got 12 out of 16 problems correct which percentage did Jared get correct
2 answers:
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The axis of symmetry of a parabola is a line that divides it into two similar halves and this axis always goes through the vertex.
To find the equation of the line that represents the symmetry of the curve, suppose a parabola of the form
Then, deriving y with respect to x we have:
By matching dy / dx to 0 we have and by clearing x we have:
This equation allows us to find the axis of symmetry for any quadratic function
Then for the first function of the image.
The axis of symmetry is:
For the second function of the image:
For the third function the axis of symmetry is observed with the naked eye, is the line of equation:
The arc length of AB = 8.37 meters
Solution:
Degree of AB (θ) = 60°
Radius of the circle = 8 m
Let us find the arc length of AB.
Arc length formula:
Arc length = 8.37 m
Hence the arc length of AB is 8.37 meters.