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babymother [125]
3 years ago
5

If the parabola y - 8 = 3(x - h)² has the line x = 5 as its axis of symmetry, find h.

Mathematics
1 answer:
Goshia [24]3 years ago
4 0
h = 5 because if you added 8 to the other side of the equation, then the equation would be in vertex form, where the opposite of h, and the value of k (8) is your vertex. So, we know that the x-value of the vertex is also the axis of symmetry, so the axis of symmetry is also the x-value of the vertex, or h. 

Hope this helps! :)
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3 years ago
Question 11 the length of a rectangle is six times its width. if the perimeter of the rectangle is 98 m , find its area.
andrezito [222]
Let's look at the formula to solve the perimeter.
2l+2w=98
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Let's put that into the equation.
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So the width is 7. Let's find the length.
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4 0
3 years ago
Help meh pls
melamori03 [73]
The answer should be A because point slope form is y-y1=m(x-x1)....M is the starting point and its -56 and y1(-4) is the y value of the coordinate point and x1(8) is the x value of the coordinate point. it changes to y+4 because two negative signs make a positive(y--4)
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