Operations with Radical Expressions
1. Simplify the expression: 4 times Start Root 18 End Root plus 5 times Start Root 32 End Root (1 point)
45 times the square root of 2
32 times the square root of 2👈
116 times the square root of 2
9 times the square root of 50
2. Simplify the expression: 7 times Start Root 5 End Root minus 3 times Start Root 80 End Root (1 point)
negative 5 times the square root of 5👈
negative 4 times the square root of 75
–5
4 times the square root of negative 75
3. Simplify the expression: Start Root 21 End Root times Left Parenthesis Start Root 3 End Root plus Start Root 14 End Root Right Parenthesis. (1 point)
9 times Start Root 7 End Root minus 49 times Start Root 6 End Root
2 times Start Root 6 End Root plus Start Root 35 End Root
3 times Start Root 7 End Root plus 7 times Start Root 6 End Root👈
The square root of 375
4. Simplify by rationalizing the denominator: Start Fraction 4 over Start Root 10 End Root minus Start Root 6 End Root End Fraction (1 point)
Start Root 10 End Root plus Start Root 6 End Root👈
4
4 times Start Root 10 End Root plus 4 times Start Root 6 End Root
Start Fraction 4 times Start Root 10 End Root minus 4 times Start Root 6 End Root over 16 minus 2 times Start Root 15 End Root End Fraction
1)B
2)A
3)C
4)A
1 answer
1 answer