HW11 10-20

These are intermediate algebra questions. I don't require explanations - just numeric order and coinciding answers. (i.e. 10.b, 11.a, 12.e, ...etc.)

 

 

____ 10. The area of a trapezoid is given by the formula
trapezoid and is the height. One base of the trapezoid, h is 6 in. less than
a.
,
b.
,
c.
,
d.
,
e. None of these
____ 11. Rewrite the equation
factored form.
a. b.
c. d.
e. None of these
____ 12.
a.
b.
c.
d.
e. None of these
____ 13.
a.
b.
c.
d.
e. None of these
____ 14.
a.
b. . If the area A is 108 , find , where and are the bases of the , is twice as long as the other base, . The height and h. ,
,
,
, to solve by completing the square. Do not solve the equation; just find the c.
d.
e. None of these
____ 15.
a.
b.
c.
d.
e. None of these
For the next question, find the discriminant and use it to identify the solutions as rational, irrational, or
non-real numbers.
____ 16.
a.
, rational
b.
, non-real
c.
, non-real
d. 64, rational
e. None of these
Solve the following equations using the quadratic formula.
____ 17.
a.
b.
c.
d.
e. None of these
____ 18.
a.
b.
c.
d.
e. None of these ____ 19.
a.
b.
c.
d.
e. None of these
____ 20. A landscaper has 180 feet of fencing to build to enclose a rectangular rose garden. The width of the garden is
24 feet shorter than the length of the garden. Find the length and width of the fence.
a.
b.
c.
d.
e. width = 7 ft, length = 24 ft
width = 12 ft, length = 15 ft
width = 30 ft, length = 6 ft
width = 6 ft, length = 30 ft
None of these