katelynnikole16 katelynnikole16
  • 01-09-2017
  • Mathematics
contestada

 
student says that if 5x2 = 20, then x must be equal to 2. Do you agree or disagree with the student? Justify your answer.

Respuesta :

irayhan2020padi97 irayhan2020padi97
  • 09-07-2018
 I disagree. If each side of the equation is divided by 5, the result is x2 = 4. By the square root property of equality, x = -2 or x = 2. So x could be -2 instead of 2.
Answer Link
saabbelqis saabbelqis
  • 27-10-2020

Answer:

I disagree. If each side of the equation is divided by 5, the result is x2 = 4. By the square root property of equality, x = -2 or x = 2. So x could be -2 instead of 2.

Step-by-step explanation:

Answer Link

Otras preguntas

26' long painting is how many yards long
What is the product of 5 and 3?
Simplify 4 + (−3) − 2 × (−6)
Read the scenario below and answer the question that follows. A teacher addressed the class using the underlined euphemism: “The grades for this test surpris
What is one way to strengthen the connections between your ideas?
A circular skating rink has a radius of 40 feet. Which expression can be used to find the circumference of the skating rink, in feet?
What type of triangle has two congruent sides and two angles measuring 45 degrees?
Women who are educated tend to wait to start families and have fewer children than other women. a. True b. False
Which active volcanos are on convergent plate boundarys
You need to reformat your computer after hacking your data up and preparing the hard drive you need to install the first software program called an operating sy