Question

Which of the following is the correct first step to solve 5x^2 - 20x = -15 by completing the square? 1. Add 100 to both sides. 2. Divide all terms by 5. 3. Divide all terms by -5. 4. Add 15 to both sides.

Answer 1

The answer is Divide all terms by 5.

Explanation:

I got it right on my test

Answer 2

3. Divide all terms by 5

Explanation:

given any quadratic equation (
`5x^2 - 20x = -15`)

the steps to follow accordingly are

1. make the coefficient of the
   `x^2` term to be 1 (divide all terms by the coefficient of
   `x^2`)
2. Add 15 to both sides.
3. Solve the completed squares.