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:
one and five sixths minus four sixths, the model shows four sixths being subtracted from one and five sixths
Answer:
1/4
Step-by-step explanation:
There are 7 points from 0 to 7/4. This means each point represents 1/4. Therefore A is 1/4
Answer:
3
Step-by-step explanation:
arrow points the way
28/16= 7/4= 1 3/4 is the answer.
