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match each description of an algebraic expression with the symbolic form of that expression


A. 2 terms; variables = x and y

B. 3 terms; variables = x and y; constant = 3

C. 2 terms; variable = x; constant = 4.5

D. 3 terms; variables = x and y; constant = 2



1. x - 2y + 3
2. 4.5 - 2x
3. 4.5x + 2 - 3y
4. 4.5y - 2x

Respuesta :

Answer:

A. 2 terms; variable = x; constant = 4.5 -------> 4.5 - 2x

B. 2 terms; variables = x and y -----------> 4.5y - 2x

C. 3 terms; variables = x and y; constant = 2 --------------> 4.5x + 2 - 3y

D. 3 terms; variables = x and y; constant = 3 --------------> x - 2y + 3

Its 100% correct just not in the order you put it in, I think you might of switched them but I just did the Warm-Up and its right my dudes :)

The required matching is:

[tex]x-2y+3[/tex] ⇔ Option B

[tex]4.5-2x[/tex] ⇔ Option C

[tex]4.5x+2-3y[/tex] ⇔ Option D

[tex]4.5y-2x[/tex] ⇔ Option A

The given expressions are:

  1. [tex]x-2y+3[/tex]
  2. [tex]4.5-2x[/tex]
  3. [tex]4.5x+2-3y[/tex]
  4. [tex]4.5y-2x[/tex]

Explanation:

Terms: Numbers, variables, or product of them separated by [tex]+[/tex] and  [tex]-[/tex] sign is known as term.

Variables: These are values that are not fixed, for example [tex]x,y,z[/tex].

In [tex]x-2y+3[/tex], there are 3 terms, 2 variables [tex]x[/tex] and [tex]y[/tex], and a constant 3. So, match [tex]x-2y+3[/tex] with option B.

In [tex]4.5-2x[/tex], there are 2 terms, 1 variable [tex]x[/tex], and a constant 4.5. So, match [tex]4.5-2x[/tex] with option C.

In [tex]4.5x+2-3y[/tex], there are 3 terms, 2 variables [tex]x[/tex] and [tex]y[/tex], and a constant 2. So, match [tex]4.5x+2-3y[/tex] with option D.

In [tex]4.5y-2x[/tex], there are 2 terms and 2 variables [tex]x[/tex] and [tex]y[/tex]. So, match [tex]4.5-2x[/tex] with option A.

Learn more:

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