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McGraw Hill Glencoe Algebra 1 Texas, 2016

MH

McGraw Hill Glencoe Algebra 1 Texas, 2016 View details

Preparing for Assessment: Test-Taking Strategies

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Exercise 1 Page 457

Substitute 121 for a and 23 for b.

J

Practice makes perfect

To evaluate the given expression for a = 121 and b = 23, we should substitute these values into the expression and simplify as much as possible.

sqrt(ab)

a= 121, b= 23

sqrt(121* 23)

Multiply

sqrt(2783)

Use a calculator

52.754146...

Round to 2 decimal place(s)

≈ 52.75

Therefore, the correct option is J.

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Exercises p.457