The Quadratic Formula

Question 1

Dolphin jump y = -16x2 + 32x - 10

Revolt · Accepted Answer

This parabola has: 2; representing the times when the dolphin's height above water is: 0

Question 2

representing the times when the dolphin's height above water is feet.

Revolt · Accepted Answer

0

Question 3

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

Revolt · Accepted Answer

✔ are two real solutions

Question 4

Simplify StartFraction 6 minus StartRoot 25 EndRoot Over 4 EndFraction

Revolt · Accepted Answer

0.25

Question 5

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

Revolt · Accepted Answer

✔ -2.94

Question 6

Simplify with negative radicands in terms of i: x = StartFraction 5 + StartRoot negative 49 EndRoot Over 6 EndFraction

Revolt · Accepted Answer

5/6 + 7i/6

The Quadratic Formula Answers

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