Beginning with the quadratic equation y = ax2 + bx + c, David plugged in 0 for x to get y = a(0) + b(0) + c, or y = c. What is ONE reason he might have done that?

A)
to find the vertex

B)
to find the x-intercept

C)
to find the y-intercept

D)
to find the parabola's orientation

Question

Beginning with the quadratic equation y = ax2 + bx + c, David plugged in 0 for x to get y = a(0) + b(0) + c, or y = c. What is ONE reason he might have done that?
	

A)
	to find the vertex 	
	

B)
	to find the x-intercept 	
	

C)
	to find the y-intercept 	
	

D)
	to find the parabola's orientation

anonymous · Answer

I believe it is A

ganeshie8 · Answer

x=0, gives u the value of quadratic at which it cuts the y axis