AnswersFoundations of Math 1Estimating and Comparing Square Roots

Estimating and Comparing Square Roots — Quiz Answers

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1
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Which two numbers does square root of 128 lie between on a number line?

A
11 point 2 and 11 point 3
B
11 point 0 and 11 point 1
C
11 point 3 and 11 point 4
D
11 point 4 and 11 point 5
2
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What square root best approximates the point on the graph? Expand Image

A
square root of 53
B
square root of 28
C
square root of 5
D
square root of 15
7

Jana is ordering a list of numbers from least to greatest. square root of 7 squared end root , square root of 7 , 4 fifths , square root of 0 point 8 , open paren square root of 5 close paren squared Which statement can be used to create her list?

A
open paren square root of 5 close paren squared is less than square root of 7 because open paren square root of 5 close paren squared is equal to 5 and square root of 7 is between 6 and 8 .
B
square root of 7 is greater than square root of 7 squared end root because square root of 7 squared end root is equal to 7 and the square root of a number greater than 1 is greater than the number itself.
C
square root of 7 is greater than 4 fifths because 4 fifths is less than 1 and the square root of a number greater than 1 is greater than 1 .
D
square root of 0 point 8 is less than 4 fifths because 0 point 8 is equal to 4 fifths and the square root of a number less than 1 is less than the number itself.
9

Which number is farthest from 2 on the number line?

A
square root of 2 point 9
B
square root of 2 point 4
C
square root of 2 point 5
D
square root of 2 point 1

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Estimating and Comparing Square Roots — Quiz…