multiplying+and+dividing+radical+expressions-JW

EQ: How do we multiply, and divide radical expressions?

Multiplying and Dividing Radical Expressions

Multiplication Division Square Roots Perfect Squares || Intrests: 1.Electrisians can use this to find how much current runs through an appliance 2.Construction workers can use it to find out the base area of a building 3. You can use radical expressions to find the legnth thrown of a baseball 4.You need to build a triangular shelf that fits into a right-angled corner. The sides of the triangle that are against the walls are each 1 foot long. How long do you need to cut the piece of moulding that dresses up the edge of the shelf that faces outward? (Hint: the edge that faces outward is the hypotenuse of an isoceles right triangle with legs of 1.
 * Friends:

√3 √6 first you multiply the two so 3x6=18 √18 now you need to factor 18. 9x2=18 so those two numbers will work √9 √2 then you make each number/factor into a square root. the just simplify!!!! 3√2 and your done! ||
 * Here's how

(5√3)² 5√3 x 5√3 first you need to expland the expression 25√9 next you need to multiply so 5 x 5= 25, and 3 x 3=9 now you put them together to form a square root then simplify 25(3) this is the simplified answer now you just multiply 25 x 3= 75 is your answer ||
 * Heres another example:

√3(√3-√5) solution ||
 * 1. Here's an example try it out:

√2(5+√12) solution ||
 * 2. Here's another example try it out then check your answer.

(5√3)² 5√3 x 5√3 first you need to expland the expression 25√9 next you need to multiply so 5 x 5= 25, and 3 x 3=9 now you put them together to form a square root then simplify 25(3) this is the simplified answer now you just multiply 25 x 3= 75 is your answer ||
 * 2. Heres another example:


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