diepbui291267 diepbui291267
  • 12-08-2021
  • Mathematics
contestada

Phương trình (m + 2)x2 – 2mx + 1 = 0 là phương trình bậc hai khi:
A. m ≠ 1. B. m ≠ -2. C. m ≠ 0. D. mọi giá trị của m.

Respuesta :

Jewel172
Jewel172 Jewel172
  • 12-08-2021

B::: m ≠ -2.............

Answer Link

Otras preguntas

What is 2e=4e-16? I don't understand the steps to get to the answer.
What provides the force necessary to start a building or bridge oscillating?
9×6-5(10-3) what is this answer
What are three examples of macroscopic structures?
What are the tiny particles that makes up all matter around us?
when are the absolute value and the opposite of a rational number equal?
Starting at a certain speed, a bicyclist travels 200m. Suppose the bicyclist undergoes a constant acceleration of 1.20m/s squared. If the final speed is 25.0m/s
Round 46.82 to the nearest ten
If a set of six numbers that include both Rational and irrational numbers is graphed On a number line, what is the fewest number of distinct points that need to
Draw and label line AB. Draw point C on it