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Oduvanchick [21]
3 years ago
11

What is the sum of the polynomials?

Mathematics
1 answer:
scZoUnD [109]3 years ago
4 0

Answer:

Option D

Step-by-step explanation:

(8x^2-9y^2-4x) +(x^2-3y^2-7x)

8x^2+x^2-9y^2-3y^2-4x-7x

9x^2-12y^2-11x

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4 years ago
a quadratic equation has zero real number solutions. which could be the discriminant value associated with this equation? a. –5
Flauer [41]

Answer: Option 'a' is correct.

Step-by-step explanation:

As we know about the discriminant value i.e.

if we have given a quadratic equation :

ax^2+bx+c=0

then,

discriminant value will be

b^2-4ac

There are 3 properties regarding discriminant value as follows:

1)b^2-4ac>0\\\\means,\\\\\text{ there exists real zeros}\\\\2)b^2-4ac=0\\\\means,\\\\\text{ there exists equal zeroes}\\\\3)b^2-4ac

So, here we need a zero real number solutions i.e. there does not exists any real number.

So,

b^2-4ac=-5

Hence, Option'a' is correct.

5 0
4 years ago
Read 2 more answers
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