To find the y intercept you must substitute 0 into x.
F(x) = (-3x0) - (6x0) - 5
F(x) = -5
To find the axis of symmetry and vertex we use the formula -b/2a to find the x coordinate
x = 6/(-3x2)
x = 6/-6
x = -1
Now we need to find the y coordinate so we sub -1 into x.
F(x) = (-3x-1) - (6x-1) - 5
F(x) = 3 + 6 - 5
F(x) = 4
The axis of symmetry and vertex are (-1,4) and the y coordinate is -5. Hope this helps.
Answer:
y=(1/2)x+4
Step-by-step explanation:
you have 2 points but in order to find slope intercept you need slope so,
(y2-y1)/(x2-x1)
(-1+4)/(8-2)=1/2 =slope
slope intercept:
y-y1=m(x-x1)
y-2=(1/2)(x+4)
y-2=(1/2)x+2
y=(1/2)x+4
Since all sides of the square are equal, therefore area of square can be calculated using the following rule:
area of square = side^2
200 = (side length)^2
therefore,
the length of each side is sqrt(200) = 14.14 ft
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