0
Either +/- 1, and the discriminant will tell. b2 - 4ac
Y = 5X2 - 4 + 1
(- 4)2 - 4(5)(1)
= 16 - 20
= - 4
==========It that 1 is positive then no real roots.
Y = 5x2 - 4 - 1
(- 4)2 - 4(5)(- 1)
16 + 20
= 36
==========if 1 is negative then two real roots.
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How many roots does y x2 - 4x 4 have It may help to graph the equation?
4
How many roots 3x2 plus 4x plus 8 have?
No real roots.
How many roots does 3x2 plus 4x plus 3 have?
two complex
State the y-intercept for the graph y equals -4x?
y = -4x The y-intercept is zero. That is, the graph passes through the origin.
How do you graph a parabola?
y=x2+4x+1
How many roots does y x2 - 4x 4 have It may help to graph the equation?
4
How many roots 3x2 plus 4x plus 8 have?
No real roots.
How many roots does y equals x2-4x plus 4 have?
y = x2-4x+4 Since the highest degree term is 2, it must have 2 roots
What is the y-intercept of the graph of 4x 2y 12?
The y-intercept of the graph of 4x + 2y =12 is probably 6
How many roots does y equals x2 - 4x plus 6 have?
No real roots. Imaginary roots as this function does not intersect the X axis.
The polynomial 32 plus 4x plus 3 has how many roots?
1
How many roots does 3x2 plus 4x plus 3 have?
two complex
State the y-intercept for the graph y equals -4x?
y = -4x The y-intercept is zero. That is, the graph passes through the origin.
What will be the perpendicular graph to the graph of 4x-2y equals 1?
Any graph with the slope of -1/2
How many roots does y equals x2 - 4x 4 have?
y = x2 - 4x + 4 = (x - 2)2 has one repeated root
How do you graph a parabola?
y=x2+4x+1
How do you graph y equals x squared -4x plus 2?
y=xsquared-4x+2
