Question

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

Answer 1

`"see explanation"`

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]}