A point<span> on the </span>line, they have<span> given me an x-value and a </span>y<span>-value </span>for<span> this </span>line<span>: x = –1 and ... </span>y<span> = m ,x + b. </span>4<span> = (– </span>2/3<span>)(–2) + b. </span>4<span> = </span>4/3<span>+ b. </span>4<span> – </span>4/3<span> = b. </span>12/3<span> – </span>4/3<span> = b. b = </span>8/3<span>.</span>