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Mathematics 11 Online
OpenStudy (anonymous):

solve and graph: x^2 <= 3 -2x

OpenStudy (anonymous):

should be graph , then solve

OpenStudy (anonymous):

can you show answer on like paint or something? plz

OpenStudy (anonymous):

x^2 +2x -3 <=0 (x+3)(x-1) <=0 graph this , it has x intercepts x=-3, x=1 , and it is concave up because the coefficent of x^2 is positive

OpenStudy (anonymous):

OpenStudy (anonymous):

not very good , but yeh , its a parabola

OpenStudy (anonymous):

now you ask question where is this graph less than or equal to zero ( ie when is it below the x axis

OpenStudy (anonymous):

well that occurs for x in the interval -3<=x<=1

OpenStudy (anonymous):

thank you, that's what i got too.

OpenStudy (anonymous):

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