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Lemur [1.5K]
3 years ago
11

Factor completely: 80x2 – 125

Mathematics
2 answers:
Paladinen [302]3 years ago
6 0

Answer:

5(4x-5)(4x+5)

Step-by-step explanation:

80x^2-125= \\\\5(16x^2-25)= \\\\5(4x-5)(4x+5)

Hope this helps!

Dahasolnce [82]3 years ago
4 0

Answer:

5( 4x-5)(4x+5)

Step-by-step explanation:

80x^2 – 125

Factor out a 5

5( 16 x^2 - 25)

Inside the parentheses is the difference of squares

5 ( (4x)^2 - 5^2)

We know the difference of squares is  (a^2 - b^2) = (a-b) (a+b)

5( 4x-5)(4x+5)

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Consider the geometric sequence 16, 8, a, 2, b, ... (a) Write down the common
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Find the common ratio by dividing.

16 / 8 = 2

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The common ratio is 2.

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when a relation is drawn on an xy-plane what is another name for the set of all x values from its graph?
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Another name for the set of all x-values for a relation is: domain.

<h3>What is the Domain of a Relation?</h3>

The domain of a relation can be defined as all the x-values that corresponds to the y-values that are plotted on a graph.

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