Question

Select the correct answer. Which sum or difference is modeled by the algebra tiles?

Answer 1

Answer: Option C

Step-by-step explanation:

the blue tiles are positive, and the red ones are negative.

The upper ones are a number and the lower ones are other, so the equations that we have are:

upper: x^2 + 4x - 2

lower: x^2 - 2x + 4

so this can be written as:

then we have:

upper + lower = (x^2 + 4x - 2) + (x^2 - 2x + 4) = 2x^2 + 2x + 2

Then the correct option is C, while this is written as:

(x^2 + 4x - 2) - (-x^2 + 2x - 4) = 2x^2 + 2x + 2

Where you can distribute the minus sign with the second parentheses, and get our previous equation.

Answer 2

Answer:

c is the answer

Step-by-step explanation:

when you put the negative into the second equation it makes it match up with the algebra tiles answer

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