Answer:
If a system has infinitely many solutions, then the lines overlap at every point. In other words, they're the same exact line! This means that any point on the line is a solution to the system. Thus, the system of equations above has infinitely many solutions.
Step-by-step explanation:
Answer:
The answer is in your heart
Step-by-step explanation:
Meep Meep
Answer: x = 4
Step-by-step explanation:
2x - 3 + 4x = 21
6x - 3 = 21
6x - 3 (+3) = 21 (+3)
6x = 24
24/6
x = 4
Answer:
C
Step-by-step explanation:
∆=b^2-4a*c=1-4*3*(-10)=121>0 có 2x
x1=-b+sprt∆/2a=1+sprt121/2*3=2
x2=-b-sprt∆/2a=1-sprt121/2*3=-5/3