Question

Solve by graphing.
x2 + 2x – 3 = 0 (1 point)


Solve the quadratic equation by completing the square.
x2 + 6x + 7 = 0 (1 point)


Simplify the expression.
(3 – i) – (2 + 6i) (1 point)

What is the number of real solutions?
–11x2 = x + 11 (1 point)

Identify the graph of 3i. (1 point)

What are the solutions?
16x2 + 9 = 0 (1 point)

Use graphing to find the solutions to the system of equations. y= x^2+6x+8, y=x+4

(1 point)

What are the solutions of the quadratic equation?
2x2 – 16x + 32 = 0 (2 points)

What is the solution of the equation?
5x2 = 50 (2 poin