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hichkok12 [17]
3 years ago
13

Which ordered pairs in the form (x, y) are solutions to the equation

Mathematics
2 answers:
const2013 [10]3 years ago
8 0
Remember that a solution to an equation is a coordinate pair that makes a true statement.

So, for each of these coordinate pairs, plug in the x coordinate for the x in your equation and the y coordinate for the y in your equation.

Example:
5x + 3y = 8;
which of these is a solution? 
(1,1)
(-3, 2)

For each coordinate pair provided, I'm going to plug it back into my original equation:

SO: for (1,1)
5x + 3y = 8
5(1) + 3(1) = 8
5 + 3 = 8
8 = 8 <--- This is a true statement. (1,1) IS a solution to this equation.

For (-3,2)
5x + 3y = 8
5(-3) + 3(2) = 8
-15 + 6 = 8
-9 = 8 <---- This is NOT a true statement. (-3,2) is not a solution to this equation.

You have to do the same thing!! Plug each of your answer choices into your original equation. Solve it out. If you end up with a TRUE statement, the coordinate pair IS a solution. If you end up with a FALSE statement, the coordinate pair is NOT a solution!

sergeinik [125]3 years ago
4 0

(6,0)

(-9,-12)

(1,-4)

are all correct.

(4,8) is wrong.

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