kinrha
Quiz by , created more than 1 year ago

Enlace Matemáticas Quiz on ACTIVIDAD 6 ABCDE KINRHA, created by kinrha on 27/01/2016.

29
1
0
kinrha
Created by kinrha over 8 years ago
Close

ACTIVIDAD 6 ABCDE KINRHA

Question 1 of 5

1

\(\frac{8}{x}\)=2

Select one of the following:

  • 3

  • 4

  • 5

  • 6

Explanation

Question 2 of 5

1

\(\frac{5}{3x-3}\)=\(\frac{5x}{x-1}\)

Select one of the following:

  • \(\frac{1}{3}\)

  • 0

  • \(\frac{1}{5}\)

  • 3

Explanation

Question 3 of 5

1

\(\frac{x-1}{8}\)-\(\frac{2x-3}{16}\)=\(\frac{2}{3}\)(\(\frac{3x}{2}\)+\(\frac{3}{2}\))

Select one of the following:

  • 8

  • -\(\frac{21}{16}\)

  • \(\frac{21}{16}\)

  • -\(\frac{16}{21}\)

Explanation

Question 4 of 5

1

4(\(\frac{2x+3}{8}\)-\(\frac{5+2x}{4}\))=4(\(\frac{-8x+3}{7}\))+4(\(\frac{3x}{2}\))

Select one of the following:

  • \(\frac{-22}{73}\)

  • \(\frac{73}{22}\)

  • \(\frac{-73}{22}\)

  • \(\frac{-13}{40}\)

Explanation

Question 5 of 5

1

\(x^2\)+\(\frac{1}{2}\)=\(\frac{3}{2}\)

Select one of the following:

  • \(x_1\)= \(\frac{1}{4}\)
    \(x_2\)= \(\frac{-1}{4}\)

  • \(x_1\)= \(\frac{1}{2}\)
    \(x_2\)= \(\frac{-1}{2}\)

  • \(x_1\)= \(\frac{4}{2}\)
    \(x_2\)= \(\frac{-4}{2}\)

  • \(x_1\)= 1
    \(x_2\)= -1

Explanation