Rewrite each equation in the form of y= ax to the power of 2 + bx + c. Tell whether the equation represents a quadratic function.
1. y=2x- (-4) - 5× + 2
2. y= 4 (x to the power of 2 + 2)
3. y + 2 = -3(x to the power of 2 + 2x) -2x to the power of 2

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

What is r i 4.5+10r=-6.5 with work pls

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no