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oksian1 [2.3K]
2 years ago
11

(-1, 2) is a solution to the following system: equation image indicator True False

Mathematics
1 answer:
umka21 [38]2 years ago
5 0
I think it’s true, let me know if it’s correct or wrong.
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Mind if I have some assistance.
pentagon [3]
The answer is -7 because :

a=1, b=1, c=2
Discriminant = b^2 - 4ac
= 1^2 - 4*1*2
= -7
3 0
3 years ago
Subtract -1 3/5 - ( -2 7/8) Enter your answer as a simplified fraction by filling in the boxes
vredina [299]
The answer is 51/40=1 and 11/40
8 0
2 years ago
Which of the following numbers is NOT a solution of the equation |x + 5| = x + 5?
Nata [24]

Answer:

-10 is not a solution to the equation

Step-by-step explanation:

I don't really have an explanation

7 0
3 years ago
Pls help with n.b : 10,11,12 U GET 13 COINS BC ITS ALL I HAVE PLS HELP!!
Nat2105 [25]
  1. Fresh Harbour
  2. Netherton
  3. Old Town Harbour

Please mark as brainliest

8 0
2 years ago
X2+11x+30 what does x2 mean
Alexxandr [17]

x^2 in the function that you typed is x * x ( x multiplied by x). It represents a second degree because there are only 2 "x"s multiplied together. If there were 3 "x"s multiplied together, we would have x^3. Since the highest exponent in this function is 2 (in x^2), we call this function a 2nd degree polynomial.

4 0
3 years ago
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