It depends which pair goes first but the formula is Y2-y1 over x2-x1
Answer:
5,10,15,20,25,30,25,40,45,50,55,
Step-by-step explanation:
Answer:
oh ok. So, first, you get the equation in the form y=ax2+bx+c. Next, you calculate -b / 2a. This is the x-coordinate of the vertex. Then finally, you plug in the value of -b / 2a into the equation into the x variable and solve for the y variable. This is the coordinate of the vertex.
Step-by-step explanation:
Hope this helps!
Answer:
12. B , 13. 4
Step-by-step explanation:

Answer:
Step-by-step explanation:
x²+6x+9=(x+3)²