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

When would you expect to be able to identify the hindbrain in a developing embryo?
Find the z value for x=40 for a normal distribution with μ=30 and σ=5
The transition zone from the outer core to the mantle is __________ and is known as the __________ discontinuity.
(32/x^2-4)-1/x=3/x-4
1. What process forms high non-volcanic mountain ranges?
What factor might lead to the opening of several new pizzerias in a town? the price of a slice of pizza has gone up. the supply of pizza is inelastic. the cost
You are the first medically trained person to arrive at the scene of a sick infant. as you enter the residence, a frantic woman hands you her pale, limp 6-month
Which is the same as dividing 35 by 6
Audrey said that Kyle was the most unique person she had even met. Why doesn't this statement make sense? A. Something is either unique or not unique. B.
Rankism is related to which of these behaviors