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Mathematics

10th - 12th Grade

Used 6+ times

Solving Radical Equations
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12 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Non-Calculator: Find the solution set for the equation.

 x−5=x−3x-5=\sqrt{x-3}  

 {5}\left\{5\right\}  

 {7}\left\{7\right\}  

 {4, 7}\left\{4,\ 7\right\}  

 {1±−1112}\left\{\frac{1\pm\sqrt{-111}}{2}\right\}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calculator: Describe the solutions for the equation.

 8−2x=x−4\sqrt{8-2x}=x-4  

2 extraneous solutions.

2 valid solutions.

1 valid solution.

No solution.

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Non-Calculator: What is the solution set for this equation?

 x2−12x+36=x−4\sqrt{x^2-12x+36}=x-4  

 {53}\left\{\frac{5}{3}\right\}  

 {5}\left\{5\right\}  

 90{5,8}90\left\{5,8\right\}  

No solution.

4.

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Calculator: What is the solution set for this equation?

 x2−7x+10=x−2\sqrt{x^2-7x+10}=\sqrt{x-2}  



(a)  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Challenge (Non-Calculator): What is the solution set for this equation?

 9x=x−2\sqrt{9x}=\sqrt{x}-2  

No solution.

 {14}\left\{\frac{1}{4}\right\}  

 {1}\left\{1\right\}  

 {14,1}\left\{\frac{1}{4},1\right\}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All four of the expressions below are equivalent to 50\sqrt[]{50} . Which is the best choice to simplify it?

49+1\sqrt[]{49+1}

25⋅2\sqrt[]{25\cdot2}

10⋅5\sqrt[]{10\cdot5}

1002\sqrt[]{\frac{100}{2}}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify 72\sqrt[]{72}

262\sqrt[]{6}

626\sqrt[]{2}

383\sqrt[]{8}

838\sqrt[]{3}

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