Which of the quadratic functions is written in vertex form?

y = (x+1) (x-5)

y=2x^2+3x-5

y-4=3 (x-5)

y-7=-2 (x+3) ^2

The mean of a set of credit scores is Mu = 690 and sigma = 14. Which credit score is within a z-score of 3.3?

Find the measure of each angle of a regular polygon with 8 sides.

N the situation, simple interest is calculated yearly. How much interest was earned? Drag and drop the answer into the box. Principal: $12,000; Time: 3 years; Interest rate: 15%; Interest:?

The company charges $45 a day for the car as well as charging a one time $25 fee for the cars navigtion system (GPS). Write an equation for the cost in dollars, C, as a function of the number of days, d, the car was rented.

If 1 gallon is equal to 4 quarts, then 6 gallons would equal ___ quarts

What is 5 + (3y x 5x)

What is the minimum possible value for y in the equation y = x^2 + 12x + 5?

State if the three sides lengths form an acute, obtuse, or right triangle: 6 mi, 14 mi, 17 mi a acute b obtuse c right

4 - 2b = 2 What is the value of b

Jenny is eight years older then twice her cousin sues age. The sum of their ages is less then 32. What is the greatest age that sue could be