"one way is to find the intercepts, that is where the"one way is to find the intercepts, that is where the
"graph crosses the x and y axes"graph crosses the x and y axes
• " let x = 0, in the equation for y-intercept"∙ let x = 0, in the equation for y-intercept
• " let y = 0, in the equation for x-intercept"∙ let y = 0, in the equation for x-intercept
x=0rArr-2y=8rArry=-4larrcolor(red)"y-intercept"x=0⇒−2y=8⇒y=−4←y-intercept
y=0rArr-x+8=0rArrx=8larrcolor(red)"x-intercept"y=0⇒−x+8=0⇒x=8←x-intercept
"plot the points "(0,-4)" and "(8,0)plot the points (0,−4) and (8,0)
"draw a straight line through them for graph"draw a straight line through them for graph
graph{(y-1/2x+4)((x-0)^2+(y+4)^2-0.04)((x-8)^2+(y-0)^2-0.04)=0 [-10, 10, -5, 5]}
