rubikzcube201 rubikzcube201
  • 21-10-2019
  • Mathematics
contestada

Explain why the equation 5|x|-7=7 has only one solution.

Respuesta :

evgeniylevi
evgeniylevi evgeniylevi
  • 21-10-2019

According to the condition, this equation has two solutions: -14/5 and 14/5.

Short explanation:

5|x|=14; ⇔ |x|=14/5; ⇒

[tex]\left[\begin{array}{ccc}x= -\frac{14}{5} \\x= \frac{14}{5} \\\end{array}[/tex]

PS. it's correct, if to substitute the values of 'x' into the condition/equation.

Answer Link

Otras preguntas

This is Super Confusing to me
Can you pleas help me solve this assignment?
Which of the following examples would be classified as a dependent clause? A. whirling through the yellow-colored sky B. the mile-wide black tornado roared C.
1/3 x 1/5 in the simplest form
Suggest a reason why food labels provide information about the energy released by the food?
1.True or false: It may be possible to save a significant proportion of Earth's biological diversity by establishing sustainable biological reserves at 25 locat
What domain did sues rule?
Color ___ indicates that one color is dominating a picture.
Please I need help quickly I'm on a time limit
what is the solution to the following equation? 9x^2-12x+4=17