Answer:
Richhhh!!! Thanks for the points!!
Step-by-step explanation:
Considering the parabolic equation, the equation for the directrix is given by x = 4.9375.
<h3>What is the equation of a parabola given it’s vertex?</h3>
The equation of a horizontal quadratic function, of vertex (h,k), is given by:
(y - k)^2 = 4p(x - h)
The directrix is given by:
x = h - p.
In this problem, the equation is given by:
(y - 2)² = 0.25(x - 5).
Hence h = 5, p = 0.25/4 = 0.0625, hence the directrix is:
x = h - p = 5 - 0.0625 = 4.9375.
More can be learned about parabolic equations at brainly.com/question/24737967
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Answer:
2/4 3/6 and 4/8
Step-by-step explanation:
Answer:
Step-by-step explanation:
The area of a trapezoid of parallel sides of different lengths a and b and height h is
A = (average of side lengths)(height)
Here, that would be:
10x - 2 + 16x + 10
A = -------------------------- * (10x + 9)
2
Simplifying this expression, we obtain:
26x + 8
A = -------------- (10x + 9), or A = (13x + 4)(10x + 9)
2
If we choose to complete the multiplication, we obtain:
A = 130x^2 + 117x + 40x + 36, or
A = 130x^2 + 157x + 36