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Unit 5, Activity 8, General Assessment, Spiral with Answers
Blackline Masters, Advanced MathPreCalculus
Page
Comprehensive Curriculum, Revised 2008
178
1. Simplify:
25
3
3
2
xx
x
+−
+
2x  1
2. Find the inverse of
f
(
x
) =
x
2
– 1. Is the inverse a function? Why or why not?
The inverse is
yx
=±
+
1
. It is not a function because y is matched to two values.
3. Given:
kx
+ 2
y
= 6
8
x
+
ky
= 8
Find the value of
k
that makes the lines parallel.
k = 4
4.
x
2
–
kx
– 15 = 0 One root of this quadratic is 5. Find the value of k.
k = 2
5. If one leg of a right triangle is 4 and the other is 6, find the hypotenuse.
21
3
6. In the triangle below find
BC
in simplest form.
BC
=
10 3
7. Given the parent function
f
(
x
) =
x
2
. Describe the transformations that have taken place
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This note was uploaded on 10/10/2011 for the course MAC 1147 taught by Professor German during the Fall '08 term at University of Florida.
 Fall '08
 GERMAN
 Calculus, PreCalculus

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