which of the following polynomials is a perfect square trinomial
a.x²+5x+4
b.x²+4x+4
c.x²-10x+9
d.x²-10x+16
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Answers
Answer:Perfect squares are numbers or expressions that are the product of a number or expression multiplied to itself. 7 times 7 is 49, so 49 is a perfect square. x squared times x squared equals x to the fourth, so x to the fourth is a perfect square.
Binomials are algrebraic expressions containing only two terms. Example: x + 3
Trinomials are algebraic expressions that contain three terms. Example: 3x2 + 5x - 6
Perfect square trinomials are algebraic expressions with three terms that are created by multiplying a binomial to itself. Example: (3x + 2y)2 = 9x2 + 12xy + 4y2
Recognizing when you have these perfect square trinomials will make factoring them much simpler. They are also very helpful when solving and graphing certain kinds of equations.
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Step-by-step explanation: