"one way is to find the intercepts, that is where the graph"one way is to find the intercepts, that is where the graph
"crosses the x and y axes"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=0rArr5y=-20rArry=-4larrcolor(red)"y-intercept"x=0⇒5y=−20⇒y=−4←y-intercept
y=0rArr-4x=-20rArrx=5larrcolor(red)"x-intercept"y=0⇒−4x=−20⇒x=5←x-intercept
"Plot the points "(0,-4)" and "(5,0)Plot the points (0,−4) and (5,0)
"Draw a straight line through them for graph"Draw a straight line through them for graph
graph{(y-4/5x+4)((x-0)^2+(y+4)^2-0.04)((x-5)^2+(y-0)^2-0.04)=0 [-10, 10, -5, 5]}
