Completing The Square Answers

This parabola has x-intercepts,

Use a calculator to estimate the value. Round to the nearest hundreth. StartFraction negative 2 minus StartRoot 15 EndRoot Over 2 EndFraction -2.94-0.943.87

There are two real solutionsare two complex solutionsis one real solution to this equation, representing the number of seconds elapsed between the dolphin exiting and reentering the water.