The standard form of the equation of a parabola is y=1/2x^2 - 4x+21. What is the vertex form of the equation?

Jamar is finding the selling price of a pair of 40 skates with a 30% markup. Find his mistake and correct it

9x^2 - (7x-2) (x+3) = - 12x+1

Which situation results in a final value of zero? (A) the overall change in temperature when the temperature goes from - 10 F to 10 F (B) the total profit made by a person buys an item for 2.25 dollars and then sells the item for 2.

To solve the inequality x + 5 < 32, which property of inequality will you use?

You clean a community park for 6.5 hours. You earn $42.25. How much do you earn per hour

A train leaves at 15.42 and arrives at its destination at 16.56. If the train travelled 103 km, what was it's average speed in km/h? Give your answer rounded to 1 dp.

Suppose that you take $350 in currency out of your pocket and deposit it in your checking account. If the required reserve ratio is 9%, what is the largest amount (in dollars) by which the money supply can increase as a result of your action?

K (x) = x - 2 h (x) = 32 + 1 (h + k) (2) =

The table shows values for functions f (x) and g (x). x f (x) = 2-x g (x) = - 2x -3 8 6 -2 4 4 -1 2 2 0 1 0 1 12 - 2 2 14 - 4 3 18 - 6 What is the solution to f (x) = g (x) ? Select each correct answer. x=-3 x=-2 x=-1 x = 0 x = 1 x = 2 x = 3

Write a number between 1 and 30 that has exactly 3 factors, one of which is 5