Question

y2 - 2y = - 9 write the value of a, b, c​

Answer 1

Answer:

Step-by-step explanation:

y²-2y+9=0

a=1 , b= -2 c=9

The form ax2 + bx + c = 0 is called standard form of a quadratic equation. Before solving a quadratic equation using the Quadratic Formula, it's vital that you be sure the equation is in this form. If you don't, you might use the wrong values for a, b, or c, and then the formula will give incorrect solutions.