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Serggg [28]
3 years ago
7

Find the value of c that makes the expression a perfect square trinomial.

Mathematics
1 answer:
Bingel [31]3 years ago
4 0

Answer:

c = 3.24

(x+1.8)²

Step-by-step explanation:

The question wants you to fill in the last term.

To find the last term, you must use the formula (b/2)^2.

Let's use this formula for the equation you gave: x²+3.6x+c

c = (b/2)²

c = (3.6/2)²

c = 3.24

That is the value of c.

Let's plug in c in the last term for better understanding.

x²+3.6x+3.24 is now factorable.

  • You can complete the square or use the quadratic formula to factor.

The factored form will turn out to be : (x+1.8)²

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