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frosja888 [35]
2 years ago
13

The x-intercepts and vertex of the quadratic relation y = –(x + 3)(x + 5) are:

Mathematics
1 answer:
baherus [9]2 years ago
5 0

Answer:

d) x-intercepts are –3 and –5; vertex is (–4, 1)

Step-by-step explanation:

parabola are the vertex findings -4

we find these using formula m +n  / 2

m+ n = -3 -5 / 2 = -4

m+n / 2 = -8/2 = -4

xv = -4

plug in -4 to find yv

(x+5)

(-4 + 5)

yv = 1

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Length of a rectangular prism is increased by factor of 1.5. The width is doubled and height is tripled. What is the new volume?
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Nine times the original volume

Step-by-step explanation:

Let the length, width and height of the rectangular prism be 'l' 'w' and 'h'.

The volume of the rectangular prism is given by,

V = W x l x h

The original volume of the rectangular prism is,

V = wlh

Here the length is 1.5 the original length

So, l = 1.5 x l = (1.5l)

And the with is doubled. So,

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Volume of the new rectangular prism is,

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V = 9 wlh

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3 years ago
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answer
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