Mathematics, 12.12.2020 17:00 famousshorty

The speed of a motorcycle is changing according to the equation y = -2x +30, where x = the time in seconds and y = the speed in miles per minute. Which is a true statement about this equation?
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It's not a linear equation, but its grapg is a straight line.
It is a linear equation, and its graph is a straight line.
It's not a linear equation and its graph is not a straight line.
it's a linear equation, but the graph is not a straight line

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The speed of a motorcycle is changing according to the equation y = -2x +30, where x = the time in s...