Answer:
C=5
Step-by-step explanation:
3^ + 4^2 = 25
and the square root of 25 is 5 therefore C=5
Y-intercept: 3
x-intercept: 2
put (0,3) and (2,0) as points on the graph
General Idea:
The quadratic function of the form
.
Applying the concept:
Simplifying the equation in option A, we get...

Simplifying the equation in option B, we get...

Simplifying the equation in Option C, we get...

Simplifying the equation in Option D, we get

<u>Conclusion:</u>
Option B) & Option D) are quadratic equation!