Which of the following equations is of 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

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)