Irene0718idn
Answered

IDNStudy.com, kung saan nagtatagpo ang mga eksperto para sagutin ang iyong mga tanong. Ang aming platform ng tanong at sagot ay idinisenyo upang magbigay ng mabilis at eksaktong sagot sa lahat ng iyong mga tanong.

1. Which of the following expressions represents a quadratic equation?
I. (x+5) (x+5) =3 II. x² = -2x+5 III. 2x - 1 =3x+7

A. I only B. III only C. II only D. I and II

2. In the equation 5x² - 120 =2x, what is the quadratic term?
A. 5x² B. 2x C. -120 D. -2x

Sagot :

Dyn07idn

Answer:

1. C

2. A

I'm not quite sure po but I hope this could help.

Nyle07idn

1. D. I and II

  • If you expand (x+5) (x+5) =3, it will be x^2 + 10x +22=0.
  • If you transform x² = -2x+5 into the standard form, it will be x^2 + 2x -5 = 0.
  • If you simplify 2x - 1 = 3x + 7, the answer will be x = -8.

2. A. 5x^2

  • The parent graph of a quadratic equation is y = x^2.

- Hope it helps.