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Using Computation and Reasoning

2.11.1 Using Computation and Reasoning

2.11.1 • Using Computation and Reasoning

Warm Up

Here is an expression:

2x+3y2x+3y

Decide if the values in each ordered pair, (x,y)(x,y), make the value of the expression less than, greater than, or equal to 12.

1.

( 0 , 5 ) ( 0 , 5 )

Compare your answer:

greater than 12

2.

( 6 , 0 ) ( 6 , 0 )

Compare your answer:

equal to 12

3.

( − 1 , − 1 ) ( − 1 , − 1 )

Compare your answer:

less than 12

4.

( − 5 , 10 ) ( − 5 , 10 )

Compare your answer:

greater than 12