Factor
x^2 -x -2 = 0
for the answer.
Where does the graph of x2 - x - 2 = y cross the x-axis?
2 answers
In google type:
"quadratic equation online"
When you see list of result click on:
webgraphingcom/quadraticequation_quadraticformula.jsp
When this page be open in rectacangle type:
x^2-x-2=0
and click option solve it!
You will see solutions of this equation Step-by-step
Then in google type "functions graphs online"
When you see list of results click on:
rechneronline.de/function-graphs/
When page be open in blue rectacangle type: x^2 -x -2
and click option Draw
You will see graph of function.
By the way solutions is: x= -1 and x=2
"quadratic equation online"
When you see list of result click on:
webgraphingcom/quadraticequation_quadraticformula.jsp
When this page be open in rectacangle type:
x^2-x-2=0
and click option solve it!
You will see solutions of this equation Step-by-step
Then in google type "functions graphs online"
When you see list of results click on:
rechneronline.de/function-graphs/
When page be open in blue rectacangle type: x^2 -x -2
and click option Draw
You will see graph of function.
By the way solutions is: x= -1 and x=2