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quadratic or not quadratic directions:identify which of the following equations are quadratic and which are not.if the equation is not quadratic,explain

1.3m+8=15
2.Xsquared-5x+10=0
3.12-4x=0
4.2tsquared-7t=12
5.6-2x+3xsquared=0



Sagot :

2 and 5. I think so iam not that sure
number 2, 4 and 5 are quadratic .. 1 and 3 are not quadratic because quadratic equation is a mathematical sentence of the second degree (highest exponent is 2)