Mathematics, 31.08.2019 03:40 jamiesong3501
Which of the following shows that polynomials are closed under addition when two polynomials 4x2 − 8x − 7 and −5x + 16 are added?
4x2 − 13x + 9 may or may not be a polynomial
4x2 + 13x − 23 may or may not be a polynomial
4x2 − 13x + 9 will be a polynomial
4x2 + 13x − 23 will be a polynomial
Answers: 1
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The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125
Answers: 2
Which of the following shows that polynomials are closed under addition when two polynomials 4x2 − 8...
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