Solve the quadratic inequalities and express the solution sets using interval notation.
1.) - X2 + 6x + 720
2.) 2x2 - 7x + 3 > 0
3.) x2 - 2x - 11 5 0
4.) x2 - 2x + 3 > 0
5.) 2x2 + x-650
#Respect
1.) - X2 + 6x + 720
2.) 2x2 - 7x + 3 > 0
3.) x2 - 2x - 11 5 0
4.) x2 - 2x + 3 > 0
5.) 2x2 + x-650
#Respect
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Answer:
1.)−1(−30)(+24)
2.)solution :
x < 0.5 or x > 3
interval notation:
x € (-,0.5)U(3,)
3.) x²-2x-1150
4.)trinomial can not be factored •_•
5.) x−1>5x-1>5
x>−6x>-6
x+1≥9
Step-by-step explanation:
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