10
lesson pretestMultiple Choice

Pretest

Question 10 • CMS 2026-2027 NC Math 1 CREDIT RECOVERY

Tao uses elimination to solve the following system of linear equations. negative 2 x plus 4 y is equal to 16 2 x plus 2 y is equal to 8 Which ordered pair is the solution to the system?

Answer
A
open paren 0 comma 4 close paren
B
open paren 0 comma 8 close paren
C
open paren 4 comma 0 close paren
D
open paren 8 comma 0 close paren

Explanation

Add the equations −2x + 4y = 16 and 2x + 2y = 8 to eliminate x. This gives 6y = 24, so y = 4. Substitute y = 4 into 2x + 2y = 8 to get 2x + 8 = 8, so x = 0. The solution is (0, 4), choice B.

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