What are the domain and range of the function represented by the set of ordered pairs? (-10,-6), (-4,-10),(3,8),(9,-2)

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?

Write a linear funtion f with the values f(2)=-1, and f(5)=4