For vertex at (h,k)
the equation is
y=a(x-h)^2+k
for vertex at (0,-1)
equation is
y=a(x-0)^2+(-1) or
y=ax^2-1
find what a is
(2,2)
x=2
y=2
2=a(2^2)-1
2=a(4)-1
add 1
3=a(4)
divide both sides by 4
3/4=a
the equation is
y=3/4x^2-1
75 , if the bottom number is 4 quarters how many is 3 ?
Answer:
The answer would be $60. This is because is each bouquet of balloons sell for a dollar, then the number of bouquets they sold would be how much they earned. 40 + 20 = 60.
Step-by-step explanation:
Answer:
the compound probability is 1/8.
Step-by-step explanation:
1/4 for the spinner x 1/2 for the coin
