"to find the intercepts, that is where the graph crosses"to find the intercepts, that is where the graph crosses
"the x and y axes"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=0rArr0-7y=14rArry=-2larrcolor(red)"y-intercept"x=0⇒0−7y=14⇒y=−2←y-intercept
y=0rArr2x-0=14rArrx=7larrcolor(red)"x-intercept"y=0⇒2x−0=14⇒x=7←x-intercept
"plot the points "(0,-2)" and "(7,0)plot the points (0,−2) and (7,0)
"draw a straight line through them for graph"draw a straight line through them for graph
graph{(y-2/7x+2)((x-0)^2+(y+2)^2-0.04)((x-7)^2+(y-0)^2-0.04)=0 [-10, 10, -5, 5]}
