Graph f(x)=-2x

Problem

ƒ(x)=−2*x

Solution

1. Identify the type of function. The expression ƒ(x)=−2*x is a linear function in the form ƒ(x)=m*x+b

2. Determine the slope and y-intercept. The slope m is −2 and the y-intercept b is 0

3. Find the y-intercept point. Since b=0 the graph passes through the origin (0,0)

4. Calculate a second point using the slope. Starting from (0,0) a slope of −2 means moving 1 unit to the right and 2 units down, which gives the point (1,−2)

5. Plot the points (0,0) and (1,−2) on a coordinate plane and draw a straight line through them.

Final Answer

ƒ(x)=−2*x

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