Question

Please write an equation of the line below


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Answer 1

Since the y-intercept is (0,0), we know that b MUST be 0; \[y=mx+b \rightarrow 0=m(0)+(b) \rightarrow 0=b\]
The function is positive b/c its going up, and for every x=2, the graph goes up 1; rise/run; rose up 1/ran across 2(twice)...1/2...\[y=mx+b \rightarrow y=1/2x+0\rightarrow y=1/2x\]