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Module 17-
Solving Quadratic Equations
Question | Answer |
---|---|
m^2+7m-8=0 | -8,1 |
x^2-8x+25=0 | -4+3i,-4-3i |
x^2+3x-7=0 | -3-(sqrt)37/2,-3+(sqrt)37/2 |
The Height of a door is 2.9 feet longer then the width and its front area is 1825.5 square feet find the width and height of the door. | The height is approximately 44.2 feet. |
Solve : What is the squareroot of 196x=x+24? | 4,144 |
(2n+1)^2+7(2n+1)-8=0 | -9/2,0 |
(p+5)^2=10(p+5)-24 | -1,1 |
y^3+25y-3y^2-75=0 | 3,-5i,5i |
A jogger ran 5 miles, decreased her speed by 1 mile per hour and than ran another 6 miles. If her total jogging time was 2 1/2 hours find her speed for each part of her run. | First speed 5MPH, second speed 4MPH |
Suppose that an open box is to be made from cardboard by cutting our squares from each corner, if the box is to have a volume of 1156 cubic inches find the original dimentions of the sheet of card board. ( 4x4) | 25x25 |