Question

Teacher

7. Use the graph to determine the solution of -
x2 + 6x - 9 = 0. (4F)
A. 0-9
B. 3
C.
D.
2
4

Answer 1

B. 3

Explanation:

The given equation is

`- {x}^(2) + 6x - 9 = 0`

The solution to the above equation is where the graph touches the x-axis.

The x-intercept of the graph is (3,0)

Hence the solution to the given equation is x=3.

The graph is shown in the attachment