edgytaehyung
05.12.2020 •
Mathematics
What equation is proportional?
Group of answer choices
y= 50x + 2
y = 20x
y = 10x + 200
y = 200x + 10
Solved
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Ответ:
The equation y = 20x is proportional ⇒ B
Step-by-step explanation:
The proportional relationship is represented graphically by a line passes through the origin pointThe equation of the proportional relationship is y = m xLet us solve the question
Substitute x by 0 to find the value of y, if y = 0, then the line represents this equation passes through the origin point, then the equation shows a proportional relationship
∵ y = 50x + 2
∵ x = 0
∴ y = 50(0) + 2
∴ y = 2
→ That means the line that represents the equation does not pass through
the origin point
∴ The equation y = 50x + 2 is not proportional
∵ y = 20x
∵ x = 0
∴ y = 20(0)
∴ y = 0
→ That means the line that represents the equation passes through
the origin point
∴ The equation y = 20x is proportional
Ответ:
Step-by-step explanation: