the discriminant b^2 - 4ac when the equation is in the form of ax^2 +bx+c=0
13x^2-16x = x^2 -x
we need to get in it the standard form
subtract x^2 from each side
12x^2 -16x = -x
add x to each side
12x^2 -15x = 0
12x^2 -15x -0 =0
a=12 b=-15 c=0
b^2 -4ac
the discriminant = b^2
b^2 = (-15)2 = 225
Answer:
Step-by-step explanation:
22
Answer: 9
is the value of "x".
Answer:
Step-by-step explanation:
The discriminant of a quadratic is the expression inside the radical of the quadratic formula.
Substitute in the values of a, b, and c.
<h3>Hope it is helpful...</h3>
Answer:
x=70
Step-by-step explanation:
the angles opposite 3.5 equal 55 degrees
180-55-55=70
