Nique2105id
Answered

8. Which of the following values of x make the equation x² + 7x - 18 = 0 true?
I. -9
II. 2
III. 9
a. I and II
b. I and III
c. I and III
d. l,ll and III​

Sagot :

Answer:

a. I and II

Step-by-step explanation:

Solving the given Quadratic Equation, we will have an answer of

(x+9) (x-2) = 0

and the roots are -9 and 2