The quadratic formula is the result of completing the square for ax^2+bx+c=0 when a,b, and c are unknown values. This result is:
x=(-b±√(b^2-4ac))/(2a), we have x^2-x-2=0 so
x=(1±√(1+8))/2
x=(1±√9)/2
x=(1±3)/2
x=-1 and 2
Answer:
9/34
Step-by-step explanation:
3/4 times 2 5/6
3/4 times 17/6
switch the denominator and numerator then, multiply.
Answer:
A. y=3x but 3 is the slope
hope this helps
have a good day :)
Step-by-step explanation:
10 • 6 = 60
10 + 10 + 10 + 10 + 10 + 10
\ / \ / \ /
20 + 20 + 20
\ / |
40 + 20 = 60