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Illustrative Math - Algebra 2 - Unit 3 - Lesson 10

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Last updated about 3 years ago
6 questions
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Question 1
1.

Question 2
2.

Plot each number on the real number line, or explain why the number is not on the real number line.

Question 3
3.

Explain why (x-4)^{2}=-9 has no real solutions.

Question 4
4.

Question 5
5.

Question 6
6.

This lesson is from Illustrative Mathematics. Algebra 2, Unit 3, Lesson 10. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/3/3/10/index.html ; accessed 27/July/2021.

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Select all the true statements.
Because \sqrt{-1} is imaginary, no one does math with it.
There are no real numbers that satisfy the equation x = \sqrt{-1}
The equation x^{2}=-1 has real solutions.
\sqrt{-1} is an imaginary number
\sqrt{-1}=-1 because -1*-1=-1
Which value is closest to 10^{-\frac{1}{2}}?
3
\frac{1}{3}
\frac{1}{5}
-5
Which is a solution to the equation \sqrt{6-x}+5=10?
The equation has no solutions
19
21
-19
Select all equations for which -64 is a solution.
\sqrt{x}=8
\sqrt[3]{x}=4
-\sqrt{x}=8
\sqrt[3]{x}=-4
\sqrt{-x}=8
\sqrt{x}=-8