Answer:
14
Step-by-step explanation:
2(5)+4(5)-9-7
10+20-16
14
They put the parabola in vertex form for us so we can just read off the answer.
y = a(x-p)² + q
has a vertex at (p,q)
Answer: (20.41, 2065.82)
Answer:
x = ±1/2
Step-by-step explanation:
x^2-1/4=0
Add 1/4 to each side
x^2 -1/4+1/4 = 0+1/4
x^2 = 1/4
Take the square root of each side
sqrt(x^2) = sqrt(1/4)
x = ±1/2