# How do you find the important parts of the equation to graph the function #y = 3x + 3#?

##### 1 Answer

Jun 17, 2018

#### Explanation:

#"one way is to find the intercepts, that is where the graph"#

#"crosses the x and y axes"#

#• " let x = 0, in the equation for y-intercept"#

#• " let y = 0, in the equation for x-intercept"#

#x=0rArry=0+3rArry=3larrcolor(red)"y-intercept"#

#y=0rArr3x+3=0rArrx=-1larrcolor(red)"x-intercept"#

#"plot the points "(0,3)" and "(-1,0)#

#"draw a straight line through them for graph"#

graph{(y-3x-3)((x-0)^2+(y-3)^2-0.04)((x+1)^2+(y-0)^2-0.04)=0 [-10, 10, -5, 5]}