Radical Equations II | math4u.vsb.cz

Submitted by michaela.bailova on Mon, 07/01/2024 - 20:11

Project ID:

7100020101

Accepted:

SubArea:

Radical equations and inequalities

Type:

Layout:

Question:

Each pair you are looking for is an equation and its solution set.

Question 1:

\sqrt{x - 1} = 3

Answer 1:

{10}

Question 2:

\sqrt{x + 1} = 2

Answer 2:

{3}

Question 3:

\sqrt{x - 1} = - 2

Answer 3:

\emptyset

Question 4:

\sqrt{x - 1} = 0

Answer 4:

{1}

Question 5:

\sqrt{x^{2} - 1} = 1

Answer 5:

{- \sqrt{2}; \sqrt{2}}

Question 6:

\sqrt{2 x - 4} = 2

Answer 6:

{4}

Question 7:

\sqrt{4 x + 3} = 2

Answer 7:

{0.25}

Question 8:

\sqrt{x^{2} + 5} = 3

Answer 8:

{- 2; 2}

Question 9:

\sqrt{x^{2} + 1} = 1

Answer 9:

{0}