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x-intercept and the y-intercept

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1.
The area of a trapezoid is given by

A=1/2h (a+b)

where h is the height of the trapezoid, and a and b are the lengths of the upper and the lower base, respectively.
Solve for a.

2. The length of a rectangle is four times its width. If the area of the rectangle is 196m (m has a 2nd power) , find its perimeter.

3. The perimeter of a rectangular field is 256 yards. If the width of the field is 55 yards, what is its length?

4. Give an ordered pair (u,v) of numbers that satisfy the equation
6u-v=3

5. Find both the x-intercept and the y-intercept of the line given by the equation
6x-8y+13=0

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Solution Summary

The expert finds both the x-intercept and the y-intercept of the line.

Solution Preview

1.
The area of a trapezoid is given by

A=1/2h (a+b)

where h is the height of the trapezoid, and a and b are the lengths of the upper and the lower base, respectively.
Solve for a.

Solution:

2A/h = a + b

=> a = 2A/h - b

2. The length of a rectangle is four times its width. ...

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