👤

4. Which of the following is a quadratic equation ? a. 2x2 + 4x > 0 dc. X+ 3x - 5 =0 b. x²-25=0 d. 6x² + 86² = 4 = 4​

Sagot :

Answer:

letter B po

Step-by-step explanation:

an equation in the form ax2+ bx + c = 0 , where a,b, and c are real numbers and a 0 is called quadratic equation. ty