itsjustme_lol
Determine the number and type of solutions
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itsjustme_lol
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Determine the number and type of solutions for x2 + 4x + 3=0
itsjustme_lol
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x^2+4x+3=0
sauravshakya
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Quadratic equations has two solutions
sauravshakya
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Unless it is perfect square
itsjustme_lol
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2 Rational?
sauravshakya
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Since , b^2 -4ac >0 two rational solution
hartnn
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Compare your Quadratic equation with ax^2+bx+c=0
find a,b,c.
calculate b^2-4ac
if b^2-4ac is positive -----> 2 real roots.
if b^2-4ac is 0---->1 repeated real root.
if b^2-4ac is negative ---->2 imaginary roots..
itsjustme_lol
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what about this one? What is the range of the graph of y = (x – 4)^2 + 3?
shubhamsrg
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@sauravshakya b^2-4ac>0 doesnt mean roots are rational.
hartnn
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if b^2-4ac is perfect square -----> 2 rational roots.
sauravshakya
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I mean real solutions
itsjustme_lol
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ok so its what i though, 2 rational
can someone help me on my other question