End.
Step (1)
x²+7x8=0
Step (2)
(+8)(x - 1) = 0
Step (3)
*+8 = 0 or 1-1=0
Step (4)
8 or
X-1
a. The solution is incorrect. Identify the step that does not follow logically from
the previous step. Explain why it is incorrect.
A the last step is incorrect because X+8=0 is not equal to 8 it is equal to
-8

b. Solve the quadratic equation correctly using any method, and show that

your solution(s) are correct
What method do you prefer to solve the equation? Explain your response,

I need help with the second two

Need ! a certain ultraviolet ray has a frequency of 1 × 1016 hz, and a certain infrared ray has a frequency of 2 × 1012 hz. which of the following is true? a. the frequency of the ultraviolet ray is fifty thousand times the frequency of the infrared ray. b. the frequency of the infrared ray is fifty thousand times the frequency of the ultraviolet ray. c. the frequency of the ultraviolet ray is five thousand times the frequency of the infrared ray. d. the frequency of the infrared ray is five thousand times the frequency of the ultraviolet ray.