B) Find the value of 2a2 + 5b2 when a = -6 and b = 2

What is the vertex form of f(x) = x2 + 6x + 3

Use set buikder notation to represent the following set: {, -2, -1, 0}

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning