Let Hypotenuse be x
X² = 20² + 28²
x² = 400 + 784
Review the properties of exponents. In complete sentences, explain the process necessary to simplify the exponential expression.
Complete your work in the space provided. Include your explanation, the mathematical steps, and the final, simplified expression.
1 answer:
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B
given f(x) in factored form, equate to zero for x-intercepts
(x - 8)(x - 4) = 0, hence
x = 4, x = 8 ← x- intercepts
The vertex lies on the axis of symmetry which is situated at the midpoint of the x- intercepts
x- coordinate of vertex = = 6
f(6) = (6 - 8 )(6 - 4 ) = -2 × 2 = - 4 ← y-coordinate
vertex = (6, - 4 ) → B