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Module 17
Solving Equations by the Quadratic Formula and Quadratic Methods
Question | Answer |
---|---|
Use the quadratic formula to solve the equation. m^2-m-6=0 | m=-2,3 |
Use the quadratic formula to solve the equation. x^2+3x-2=0 | x=1/2(-3+Square root of 17), 1/2(-3- Square root of 17) |
Use the quadratic formula to solve the equation. x^2+4x+29 | x=-2+5i,-2-5i |
The height of a door is 1.5 feet longer than its width, and its front area is 1611.5 square feet. find the width and height of the door. | The width of the door is 39.4 feet. The height of the door is 40.9 feet. |
Solve. Square root of 16x = x+3 | x=1,9 |
Solve (3n+1)^2+3(3n+1)-4=0 | n=0,-5/3 |
Use the discriminant to determine the number and types of solutions of the quadratic equation. 6x-2x^2-1=0 | The equation has two real solutions. |