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abruzzese [7]
3 years ago
13

-8r –9 > -21...............

Mathematics
1 answer:
Lesechka [4]3 years ago
6 0

Answer:

r < 3/2 or r < 1.5

Step-by-step explanation:

-8r - 9 > 21

-8r > -21 +9

-8r > -12

divide both sides by -8

= r < 3/2 or 1.5

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Find a quadratic polynomial each with the given numbers as the sum and product of its zeroes
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The quadratic polynomial each with the given numbers as the sum and product of its zeroes respectively as 3 /2 and 5 is 2x² - 3x + 10

<h3>What is a quadratic polynomial?</h3>

A quadratic polynomial is a polynomial of the form ax² + bx + c

<h3>How to find the quadratic polynomial?</h3>

For any given quadratic polynomial we have

x² - (sum of zeros)x + (products of zeros) = 0

Given that the sum and product of its zeroes respectively 3/2 and 5,

We have that

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Substituting the values of the variables into the equation, we have

x² - (sum of zeros)x + (products of zeros) = 0

x² - (3/2)x + (5) = 0

x² - (3/2)x + (5) = 0

Multiplying through by 2, we have

2 × x² - 2 × (3/2)x + 2 × (5) = 0 × 2

2x² - 3x + 10 = 0

So, the quadratic polynomial each with the given numbers as the sum and product of its zeroes respectively as 3/2 and 5 is 2x² - 3x + 10

Learn more about quadratic polynomial here:

brainly.com/question/7784687

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Step-by-step explanation:

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