
Applications of Radicals Part 2
Presentation
•
Mathematics
•
9th Grade
•
Medium
Ahlmin Monsales
Used 33+ times
FREE Resource
11 Slides • 11 Questions
1
Applications of Radicals Part 2
Solving Radical Equation and its Applications
2
Review: Solving Linear Equations
(items are from Mental Math and Math Exercise found in Learning Module 29)
3
Fill in the Blanks
Solve the equation.
x=5.Type answer...
4
Fill in the Blanks
Solve the equation.
−3m=6.Type answer...
5
Fill in the Blanks
Solve the equation.
2y=8.Type answer...
6
Fill in the Blanks
Solve the equation.
x−1=32. (If your answer is a fraction use "/" as the fraction bar, don't put space in between.)Type answer...
7
Multiple Choice
Solve the problem.
The legs of a right triangle are congruent and the hypotenuse is 52
units long. Find the length of each leg.
25 units
5 units
252 units
5 and −5 units
8
Applications of Radicals Part 2
Solving Radical Equation and its Applications
9
Example 4
Radical Equation with an Expression
10
Example 5
An extraneous solution is a solution derived from an equation that is not a solution of the original equation. Therefore, you must check all solutions in the original equation when you solve radical equations.
11
Checking
In solving radical equations, remember to always CHECK your answer. You may have solved it correctly, but you will only determine whether your answer is a solution when checked
12
Activity 2:
Include Me Not
Instructions: Solve the equation. Write NO SOLUTION if the value is an extraneous root.
13
Fill in the Blanks
(1) x−3+6=5
Type answer...
14
Fill in the Blanks
(2) x+1=5
Type answer...
15
Fill in the Blanks
(3) 2y=−8
Type answer...
16
Fill in the Blanks
(4) x−1+7=2
Type answer...
17
Fill in the Blanks
(5) 7x+18=9
Type answer...
18
Example 6
Factoring
19
Let's Practice!
Radical Equations that Involves Factoring (item is from Math exercise)
20
Fill in the Blanks
1. Find the solution and check.
3x+1+x=3Type answer...
21
More formative assessments next meeting!
22
Answers and Solutions will be posted in our Math Teams (Help Centre channel)
Applications of Radicals Part 2
Solving Radical Equation and its Applications
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