Functions 42201

Y = x² + 4x-2
Quadratic functions
Calculate and graph.

Correct answer:

x1 =  0.4495
x2 =  -4.4495
Vx =  -2
Vy =  -6

Step-by-step explanation:

x2+4x2=0  x2+4x2=0  a=1;b=4;c=2 D=b24ac=4241(2)=24 D>0  x1,2=2ab±D=24±24=24±26 x1,2=2±2.44949 x1=0.449489743=0.4495 x2=4.449489743

Our quadratic equation calculator calculates it.

a=1 b=4 c=2 Vx=Vx=2 ab=2 14=2
Vy=Vy=4 ab2+c=4 142+(2)=6

Did you find an error or inaccuracy? Feel free to write us. Thank you!

Tips for related online calculators
Are you looking for help with calculating roots of a quadratic equation?

You need to know the following knowledge to solve this word math problem:

Grade of the word problem:

Related math problems and questions: