In polynomial expressions when do you know to add or subtract?

Which equation has a graph that is a parabola with a vertex at (-1, - 1) ? y = (x - 1) 2 + 1 y = (x - 1) 2 - 1 y = (x + 1) 2 + 1 y = (x + 1) 2 - 1

Liam wants to buy a car and pay for it in three installments. The total cost of the car is $29,000. Two times the first installment is $1,000 more than the sum of the third installment and three times the second installment.

If x/-4=8 then what is x equal to

A car travels at a rate of 45 miles per hour for 5 hours. Let y be the distance, in miles, the car travels for a given amount of time, x, in hours. This situation can be modeled by a function. Which of these describes the domain of the function?

If 5 (x+1) - 6 (x-3) + 2 (2x+1) = 28, then what is x?

A girl walk 5000 meters in one hour if the girl walks at the same speed for 4hours how many kilometers will she have walked

Brian borrowed $375 to pay for a lawn mower. At the end of the year he will repay the Money plus 11% interest. What is the total amount Brian will repay?

Find all solutions in the interval [0, 2pi) : sin5x+sinx=sin3x

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An airplane is traveling 835km/h in a direction 41.5 west of north. Find the components of the velocity vector in the northerly and westernly directions. How far north and how far west has the plane traveled after 2.50h