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McGraw Hill Glencoe Algebra 2, 2012

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McGraw Hill Glencoe Algebra 2, 2012 View details

Practice Test

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Exercise 7 Page 53

Substitute 2.5 for y.

3.5

Practice makes perfect

To evaluate the given expression for y=2.5, we should substitute 2.5 for y in the given expression and then simplify.

2|3y-8|+y

y= 2.5

2|3( 2.5)-8|+ 2.5

Multiply

2|7.5-8|+2.5

Subtract term

2|-0.5|+2.5

|-0.5|=0.5

2(0.5)+2.5

Multiply

1+2.5

Add terms

3.5