downundergirl downundergirl

31-05-2017
Mathematics

contestada

What is the first step to solve the equation

What is the first step to solve the equation class=

Respuesta :

31-05-2017

The first step to solve the equation is to square both sides of the equation in order to get rid of square root in the left side:
[tex]\sqrt{x^2-25}^2=9^2[/tex]
[tex]x^2-25=81[/tex]

So, the correct answer is B.

Answer Link

Otras preguntas

The first term of a geometric sequence is 32, and the 5th term of the sequence is 818 .What are the geometric means between these terms?Enter your answer by fil

Samantha is the return desk coordinator in a department store, and she has set a goal this month of finishing her daily office work quicker so she can assist at

A geneticist conducts an experiment with peas, one sample of offspring consisted of 455 green peas and 157 yellow peas. Based on these results, estimate the pro

Which of the following terms refers to the shortest length from a starting point to an ending point of a motion? O A. Distance O B. Velocity O C. Displacement O

Tires sell for $150 each and rims sell for $200. Three times as many tires were sold than rims. Total sales were $3,250. How many of each were sold? What were t

In 2019, Godfrey received a $50,000 sales commission on a long-term contract. But in 2020, the customer filed for bankruptcy and his employer was not able to co

Why do you think that the novel ends with the image of trout in mountain streams before the end of the world: “In the deep glens where they lived all things wer

Given line m to n, find the value of x.Obviously this image isn't drawn accurately. The 40° angle is obviously more than 40°. Just go with it.Answer: x=____

Shelly is pessimistic about her future. Her disinterest for everything around her, together with worry and rumination, make it difficult for her to cope with ev

Based on virtualization technologies, how many types can we classify them? Please give a brief statement on each of them?

ACCESS MORE