Illustrative Math - Algebra 2 - Unit 2 - Lesson 23
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7 Questions
1
1.
Select all the identities:
Select all the identities:
A.REI.2
1
2.
Is 2(x+1)^{2}=(2x+2)^{2} an identity?
Explain or show your reasoning.
Is 2(x+1)^{2}=(2x+2)^{2} an identity?
Explain or show your reasoning.
A.REI.2
1
3.
Mai is solving the rational equation 5=\frac{2+7x}{x} for x.
What move do you think Mai would make first to solve for x? Explain your reasoning.
Mai is solving the rational equation 5=\frac{2+7x}{x} for x.
What move do you think Mai would make first to solve for x? Explain your reasoning.
A.REI.2
1
4.
For x-values of 0 and -2, (x^{5}+32)=(x+2)^{5}. Does this mean the equation is an identity?
Explain your reasoning.
For x-values of 0 and -2, (x^{5}+32)=(x+2)^{5}. Does this mean the equation is an identity?
Explain your reasoning.
A.REI.2
1
5.
1
6.
1
7.
Which values of x make \frac{3x+1}{x}=\frac{1}{x-3} true?
Which values of x make \frac{3x+1}{x}=\frac{1}{x-3} true?
A.REI.2
This lesson is from Illustrative Mathematics. Algebra 2, Unit 2, Lesson 23. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/3/2/23/index.html ; accessed 27/July/2021.
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