Saturday

February 28, 2015

February 28, 2015

Posted by **Emmett** on Saturday, August 4, 2012 at 8:17pm.

4x4 + 15x2 − 4 = 0

- MATH -
**MathMate**, Saturday, August 4, 2012 at 11:35pmLet y=x²

the equation can then be written as

4y²+15y-4=0

Solve for y using the quadratic formula (i.e. find y1 and y2).

Since y=x², then

x=±√(y1) or ±√(y2)

giving a total of 4 solutions.

**Answer this Question**

**Related Questions**

Math - Find all real solutions of the equation. (Enter your answers as a comma-...

college algebra - Find all real solutions of the equation. (Enter your answers ...

precalculus - Find all solutions of the given equation. (Enter your answers as a...

precal - Find all solutions of the given equation. (Enter your answers as a ...

Math - Find the solutions of the equation. (Enter your answers as a comma-...

GED MATH - You are given an equation of the form y = ax2 + bx + c. y = 4x2 + 2x...

Math - Solve the given quadratic equation exactly using the quadratic formula. ...

Math - Solve the given quadratic equation exactly using the quadratic formula. ...

Trigonometry - Solve the equation, where 0° ≤ x < 360°. Round ...

Math - Use the quadratic formula to solve the equation for x in terms of y and y...