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Harlamova29_29 [7]
4 years ago
9

The linear combination method gives a solution of (–4, 2) for which of these systems of linear equations?

Mathematics
2 answers:
otez555 [7]4 years ago
4 0

The solution (-4,2) satisfies for the system of linear equations 3x + 13y = 14; 6x + 11y = -2

<u>Step-by-step explanation:</u>

Step 1:

Given detail is the solution of the equations (-4, 2) ie, x= - 4 and y = 2

This implies that this solution should satisfy the given linear equations.

Step 2:

Substitute values of x and y in the equations and verify whether the right hand side equals the left hand side.

System 1 Eq(1) ⇒ LHS = 3(-4) + 13 (2) = -12 + 26 = 14 = RHS

System 1 Eq(2) ⇒ LHS = 6(-4) + 11(2) = -24 + 22 = -2 = RHS

Therefore, the first system of linear equations satisfy the condition.

Marat540 [252]4 years ago
3 0

Answer:

Selection A is the correct answer i took test

Step-by-step explanation:

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Step-by-step explanation:

after 1 year, the price would be $200 * 1.15 = $230

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As you can see, the graph X and Z do not start at $200 in the first year so it will be eliminated

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Hope this can help!

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