Answer: C
Explanation: The y-intercept which is -9 matches with the equation and the slope matches too
Can’t get the answer what is m2?
X^2 - 14x + 42 = 0
x^2 - 14x = -42
x^2 - 14x + 49 = 49 - 42
(x - 7)^2 = 7
x - 7 = (+-) sqrt 7
x = 7 (+-) sqrt 7
solutions are : x = 7 + sqrt 7 and x = 7 - sqrt 7

It is already in the simplest form. It can be written as 0.216 in decimal form (rounded to 6 decimal places).
Answer:
2, _/21
Step-by-step explanation: