Question

EVALUATE SQUARE ROOTS asap

1. Evaluate √x+20 when x=16. (Answer in simplified radical form.)
a) 36
b) 24
c) 6
d) 4

2. Evaluate √21 - x when x =9. (Answer in simplified radical form.)
a) √3
b) 2√3
c) 3
d) 4

3. Evaluate √21 - x when x =9. (Answer as decimal)
a) 1.73
b) 3.46
c) 3
d) 4

Answer 1

1.
√(16+20)=√36=6
C

2.
√(21-9)=√(12)=(√4)(√3)=2√3
B

3. 2*√3=2*1.73205=3.464
B



1.C
2.B
3.B