The vertex of this parabola is at (1, 3). Which of the following could be its equation?

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}