Find the vertex of the graph of the equation $y = -2x^2 + 8x - 15.$

You can find the constant of proportionality by finding the ratio of

Reflect the point (7,0) across the y-axis

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers