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QuizMultiple Choice

Standard Form — Quiz

Question 1 • Mathematics 8

Based on the equation 6⁢x+2⁢y=30, what is the missing value in the table? x y ? 0

Answer
A
3
B
30
C
5
D
15

Explanation

The table shows y = 0. Substitute 0 for y in 6x + 2y = 30: 6x + 2(0) = 30, so 6x = 30 and x = 5. The missing value is 5, choice C.

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