4 A student evaluates the expression √81 +√144 +5-² (V-125). The steps of their work are shown. Step 1 Step 2 Step 3 Step 4 √81 + √144 +5-2 (V-125) √225 +5-2 (-125) 15 +5-² (-5) 15 +0.04 (-5) 14.8 The student made an error evaluating the expression. What was the student's error? Use the drop-down menus to explain your reasoning. The student made an error in Choose... of their work because Choose... correct evaluation of the expression is Choose...
4 A student evaluates the expression √81 +√144 +5-² (V-125). The steps of their work are shown. Step 1 Step 2 Step 3 Step 4 √81 + √144 +5-2 (V-125) √225 +5-2 (-125) 15 +5-² (-5) 15 +0.04 (-5) 14.8 The student made an error evaluating the expression. What was the student's error? Use the drop-down menus to explain your reasoning. The student made an error in Choose... of their work because Choose... correct evaluation of the expression is Choose...
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
Related questions
Question
The options for the first box are: step 1, 2, 3, or 4.
The options for the second box are: a cube root cannot be a negative number, an integer raised to a negative number will not be less than one, the fraction should be added before multiplying by the cube root, and the square root of the sum does not equal the sum of the square roots.
The options for the 3rd box are: -110, -75.2, 15.2, 20.8
Transcribed Image Text:A student evaluates the expression
√81 +√144 +5-2 (-125).
The steps of their work are shown.
Step 1
Step 2
Step 3
Step 4
√81 + √144 +5-² (V-125)
/225 +5-2 (125)
V
15 + 5-² (-5)
15 +0.04 (-5)
14.8
The student made an error evaluating the expression.
What was the student's error?
Use the drop-down menus to explain your reasoning.
The student made an error in Choose... of their work
because
Choose...
correct evaluation of the expression is Choose...
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