Each problem has one error. Find the error
and describe the incorrect step on the answer
...
Mathematics, 04.05.2020 23:43, bri1623
Each problem has one error. Find the error
and describe the incorrect step on the answer
sheet in the appropriate spot. Then solve the
problem.
y = x - 4
-2x + y = 18
-2x + (x - 4) = 18
-X-4 = 18
* = 22
y = 22 - 4
y = 18
Solution: (22,18)
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Answers: 2
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Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.
Answers: 3
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