How to find the vertex: i keep getting (-1,3) what am i doing wrong

y=x^2+2x+6

Hanna puts $4,383 in a savings account with an annual interest rate of 5.2 percent for 3 years. Into which variable should she substitute 4,383 in the simple interest formula I=prt

The median of the data set is 81. what number is missing? 82, 87, __, 77, 70, 80, 88

You saw on the previous page that 2/11=0.18. Show how you can use what you know about the decimal for 2/11 to find the decimal for 1/11

Find the solutions of the form x=a, y=0and x=0, y=b for the following equations: 2x+5y=10 and 2x+3y=6. is there any common solution?

Which answer is 35% of 300? 35 70 105 140

Mars is 57 million miles away. Presently, spaceships go about 16,000 miles per hour. How long would it take a spaceship to get to Mars? (Round your answer to the nearest day.)

How to solve 5 x to the 4th power

40,44,48,52 ... find a33

Which of the following are equivalent to 18a-6b >>6 (3a-b),10a-6b+8a, 2 (9a+3b),3 (6a-6b),4 (3a-b) + 2 (3a-b)

Which of these equations is always true? sin (x) = cos (x) sin (x) = cos (90° - sin (x) = cos (180° sin (x) = cos (360°-x)