Answer:
look at the picture.
Step-by-step explanation:
look at the picture.
Answer: The value of 7P4 is 28
Answer:
[4, -1]
Step-by-step explanation:
Using the Elimination Method:
3x + y = 11
5x - y = 21
__________
8x = 32
__ ___
8 8
x = 4 [Plug this back into both equations to get the y-coordinate of -1]; -1 = y
The <em>y</em>'s are already <em>additive</em><em> </em><em>inverses</em><em> </em>[result in 0], canceling each other out.
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Answer:
Variable (or coefficients)
Step-by-step explanation:
Answer:
x= 2x+3
Step-by-step explanation:
delta= postif
x1= -b - racine de Delta sur A AU CARRE
x2= -b + racine de delta A AU CARRE