Mathematics
18.06.2022 23:48
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Which binomials are a difference of squares? choose exactly two correct answers

Which binomials are a difference of squares? choose exactly two correct answers

A. g^4-9

B. m^5-9

C. 16q^2-1

D. x^2+16

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jessicadempsey
jessicadempsey
4,8(37 marks)

Option A and C.

Step-by-step explanation:

We need to find binomials which are a difference of squares.

Difference of squares is a^2-b^2.

Rewrite the given expressions.

g^4-9=(g^2)^2-3^2      (It is difference of squares)

m^5-9=m^5-3^2          (It is not a difference of squares)

16q^2-1=(4q)^2-1^2       (It is difference of squares.)

x^2+16=x^2+4^2       (It is sum of squares)

Therefore, the correct options are A and C.

oddoneshenchman
oddoneshenchman
4,6(87 marks)

Step-by-step explanation:

Substitute the variable with the number

2(-2) + 3(-3) + 5

-4 - 9 + 5

-13 + 5 = -8

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