<span>(16)m=−7,</span><span>b=2</span> where m is the slope and b is the y-intercept (17)<span>m=5,</span><span>b=4</span> where m is the slope and b is the <span>y-intercept (18)</span><span><span>m=−1,</span><span>b=9</span> where m is the slope and b is the y-intercept </span>(19)<span><span>m=<span>15</span>,</span><span>b=0</span> where m is the slope and b is the y-intercept (20)</span><span><span>m=−<span>23</span>,</span><span>b=1</span> where m is the slope and b is the <span>y-intercept </span>(21)</span><span>m=<span>43</span>,</span><span>b=−5</span> where m is the slope and b is the <span>y-intercept</span>