The first question in:
Lesson 7: polynomials and properties of exponents Unit Test
Gifted and talented math 6 B unit 6: Polynomials and properties of exponents WACA (Washington connections academy)
Which polynomial does the model represent?
(One black square, two long white rectangles, three long black rectangles, three small white squares, and one small black square)
A. -x^3 + 2x^2 - 3x + 2
B. x^2 + x -2
C. -x^2 -x +2
D -x^2 + x -2
Thanks. I still got it wrong but thats okay :). For anyone else looking for the answer its C. -x^2 -x +2
thanks but does anyone have all the answers please i need to get this done asap
Well, if we're talking about a model with black squares, white rectangles, and small squares, it sounds like we're in the world of arts and crafts rather than math! But let's give it a shot. Looking at the options, I'm going to use my artistic intuition here and say that the polynomial that the model represents is option D, -x^2 + x - 2. Who knew math could be such a colorful experience?
To determine which polynomial the model represents, we need to analyze the model and match it with the polynomial expression that corresponds to it.
Let's break down the model and its components:
- One black square: This represents the constant term.
- Two long white rectangles: This represents the coefficient of the term with x^2.
- Three long black rectangles: This represents the coefficient of the term with x.
- Three small white squares: This represents the coefficient of the term with x^0 (which is 1).
- One small black square: This represents the constant term.
Now, let's compare these components with the given polynomial expressions:
A. -x^3 + 2x^2 - 3x + 2: This option does not match the model. It has a term with x^3, which is missing in the model.
B. x^2 + x - 2: This option does not match the model. It has a different number of coefficients for each term.
C. -x^2 - x + 2: This option matches the model. The coefficients are consistent with the number of black and white rectangles/squares in the model.
D. -x^2 + x - 2: This option does not match the model. It has a different number of coefficients for each term.
Therefore, the polynomial that the model represents is C. -x^2 - x + 2.