Mathematics, 11.01.2021 01:00 Fairy1108789
Jack, Sarah and Elena have to find which of the expressions are equivalent to each other.
Expression A: 5x - 2x - 3
Expression B: 15x - 3
Expression C: 2x + x - 3
Elena says all three are equivalent because when she substitutes x with zero, all expressions equal -3.
ELENA IS INCORRECT **Answer the following on a loose leaf sheet of paper.**
• Identify the error in Elena's thinking.
Determine which of the expressions are equivalent.
Explain and show your process in determining which expressions are equivalent.
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 15:40
Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?
Answers: 1
Mathematics, 21.06.2019 16:30
The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7
Answers: 1
Mathematics, 21.06.2019 16:50
If the table of the function contains exactly two potential turning points, one with an input value of –1, which statement best describes all possible values of m? m ≥ –12 –12 < m < 4 m ≤ 4 m ≥ 4 or m ≤ –12
Answers: 1
Mathematics, 21.06.2019 18:00
Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?
Answers: 3
You know the right answer?
Jack, Sarah and Elena have to find which of the expressions are equivalent to each other.
Expressio...
Questions
Mathematics, 19.03.2021 20:50
Mathematics, 19.03.2021 20:50
Social Studies, 19.03.2021 20:50
Social Studies, 19.03.2021 20:50
English, 19.03.2021 20:50
Biology, 19.03.2021 20:50
Health, 19.03.2021 20:50
