To find the distance between (-2,-3) and (4,1), Peggy's teacher drew a diagram and marked blue lines to represent the legs of a
right triangle. Peggy then used 42 and 62 to find the distance represented by the red segment. What distance did she find ?
A) 52
B) 114
C) 20
D) 25
A) 52
B) 114
C) 20
D) 25
1 answer:
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Answer:
Step 3, because the solution should also include all the values for x between the two given values
Step-by-step explanation:
step 1
we have
step 2
The graph in the given problem
step 3
Identify the solution when
so
using a graphing tool
The solution is the interval -----> [3,5]
see the attached figure
All real numbers greater than or equal to 3 and less than or equal to 5
therefore
The first step in which the student made an error is step 3
