-7 therefore the quadratic equation has no real roots
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-7
The discriminant is -7
2X2+5x-12 4+5x-12 -8+5x 5x-8
D = b²-4ac a=2, b=5, c=4 D=5²-4(2*4) D=25-4(8) D=25-32 D=-7■
2x2 + 10x - 3 The discriminant is defined as b2 - 4ac, so for this function b=10, a=2, and c=-3 So the discriminant is 100-4*2*-3 = 124