Answer: 249
Step-by-step explanation: 210+698-812+1453-1300
This type of parabola opens either to the left or to the right. The negative makes it open to the left.
You can because you already know the number is 3 and the blank number is n
Answer:
x = -5 ±4sqrt(3)
Step-by-step explanation:
(x + 5)^2 = 48
Take the square root of each side
sqrt((x + 5)^2) = ±sqrt(48)
x+5 = ±sqrt(16*3)
x+5 = ±4sqrt(3)
Subtract 5 from each side
x = -5 ±4sqrt(3)