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Given:
A= The square root of 3
B= 2 times the square root of 3
C= The square root of 25
D= The square root of 16
Which expressions result in a rational number? Select all that apply.

a. a+b
b. c+d
c. a+d
d. a*b
e. b*d
f. c*d
g. a*a

Respuesta :

mhanifa

Answer:

  • b, d, f, g

Step-by-step explanation:

Given:

  • A= √3
  • B= 2 √3
  • C= √25  = 5
  • D= √16 = 4

Possible expressions resulting in a rational number are the product of A and B and any combination of C and D as they are rational

Correct choices

  • b. c+d  = 5+4 = 9
  • d. a*b  = √3×2√3 = 2×3 = 6
  • f. c*d  = 5×4 = 20
  • g. a*a = √3×√3 = 3

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