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Unformatted text preview: In: 2-H.
MA 026 NAME%
Directions: Complete each~of the following questions. Show all world Be sure to answer all parts, as _ :.
some questions have more than one part. « - ‘ v I I 1. Solve each of the following by the method of factorization:
a. 6x2-3x.=0 b.>t"+4:|(2 ‘52! |
-V a an A," 2. Solve by using the Quadratic Formuta: (3y + 1)(y — l) = (5y —- 3)(2y — 3) f 3. Solve by extracting the square root:
a.9m1-1=24 b. (n+7)2=10 4. Use the discriminant to determine the nature of the solutions. DO NOT SOLVE the equations: =_ 2 - 7,,
:1. 1+7): £3501, b 4a; 13$271§L¥l 5. Perform the indicated operation: 2 _
"-1- Express in the fan a + bi, then determine the real b. 3 j +
panhnd the imaginary part: 24—4 —\/36 l
imaginary: (over) In problem 6, deﬁne a variable, set up an equation and Show your solution. Be sure to answer the
question. 6. An auto dealer wants to string a wire from the top of .a pole to the ground and hang colorful
pennants from it. The distance from the base of the pole to the point where the wire is attached to
the ground is 3 times the height of the pole. If the wire is 63 feet long, how tall is the pole. (hint: g. draw a diagram, assmne the pole is planted perpendicular to the ground)
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- Fall '08