Which graph correctly solves the system of equations below? y = −x2 + 3x + 1 y = x2 + x + 1

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29