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AlekseyPX
3 years ago
5

How will you know that the expression is a perfect square trinomial?

Mathematics
1 answer:
Alexus [3.1K]3 years ago
7 0

Answer:

An expression will be said to be a perfect square trinomial if it takes the form of ax² + bx + c and if it satisfies the condition b² = 4ac.

Step-by-step explanation:

An expression which is obtained from the square of a binomial equation is known as perfect square trinomial.

Now, the conditions for which an equation will be called a perfect square trinomial are;

i) It is of the form: ax² + bx + c

I) It satisfies the condition: b² = 4ac.

Thus, the perfect square formula could take the following forms:

(ax)² + 2abx + b² = (ax + b)²

Or

(ax)² − 2abx + b² = (ax − b)²

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21/7+3/7(3x−5)=−4
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If cot A = 1.96000 and the acute angle A has to be determined, which one of the following expressions
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A= 27° 1' 0.8516156 x 60"

Then the expression for the seconds is 0.8516156 x 60"

In Option A, we have (-0.00120)/(-0.00141) x 60" = 0.851063830 x 60"
In Option B, we have -0.00141/0.00120 x 60" = -1.175 x 60"
In Option C, we have 0.00806/0.01159 x 60" = 0.695427092 x 60"
In Option D, we have (-0.01159)/(-0.00806) x 60" = 1.437965261 x 60"

Answer: Option A: (-0.00120)/(-0.00141) x 60"
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