Question

Create a function graph to answer the question. Use the function graph to solve for the solutions to the equation x2+2x=3
.(1 point)
Responses

x=−3,1

x equals negative 3 comma 1

x=0,1

x equals 0 comma 1

x=2,0

x equals 2 comma 0

no solution

Answer 1

Solve x^2 + 2x = 3 by moving 3 to left: x^2 + 2x - 3 = 0.
Factor: (x + 3)(x - 1) = 0, so x = -3 or x = 1.

On the graph of y = x^2 + 2x - 3 (an upward parabola with vertex at (-1,-4)), the curve crosses the x-axis at x = -3 and x = 1.

Answer: x = −3, 1.