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Zepler [3.9K]
3 years ago
12

How to simplify this rational expression

mula1" title="\frac{18d^{2} }{4d+8}" alt="\frac{18d^{2} }{4d+8}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
zloy xaker [14]3 years ago
8 0

Answer:

9d^2/(2d + 4).

Step-by-step explanation:

18d^2 /  (4d + 8)

First factorise the denominator:

= 18d^2 / 4(d + 2)

The GCF of 18 and 4 is 2 so this simplifies to:

9d^2/2(d + 2)

= 9d^2/(2d+ 4).

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3 years ago
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kifflom [539]

Answer:

See explanation.

Step-by-step explanation:

2) Your written answer is correct, y = x +4

3) Slope of perpendicular line: 5/2

y=mx+b

4 = (5/2)(4) + b

4 = 10 + b

b = -6

So, y=(5/2)x - 6

4) Slope of perpendicular line: 1

y=mx+b

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b = 1

So, y = x + 1

7) Slope of perpendicular line: 3/4

y=mx+b

4 = (3/4)(4) + b

4 = 3 + b

b = 1

So, y = (3/4)x + 1

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So, y = (1/4)x - 2

4 0
3 years ago
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Step-by-step explanation:

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