1. Target 8A
Simplify
A.
.
.
B.
x2 + x − 6
÷ x2 + 8x + 15
x+7
3x2 − 19x − 14 18x + 12
·
x2 − 6x − 7
9x2 − 4
Target 8A
A.
.
.
B.
x−2
(x + 5)(x + 7)
6(3x + 2)
(x + 1)(3x − 2)
2. Target 8B
Simplify
A.
.
.
B.
x − 18
x+7
+
x2 + 3x + 2 x2 − 4
2x + 1
5x + 50
− 2
x+3
x − x − 12
Target 8B
A.
.
.
B.
2(x − 8)
(x + 1)(x − 2)
2(x − 9)
x−4
3. Target 8C
Simplify
.
5x + 6
4x + 12
9
x
+
2x + 6 x + 3
Target 8C
5x + 6
2(2x + 9)
4. Target 8D
A. y varies inversely with x. If x is 10 and y is
5 find the inverse variation equation.
.
B. z varies jointly with x and inversely with y.
If z is 40 and x is 6 and y is 3, find the joint
variation equation.
Target 8D
A.
.
B.
50
or xy = 50
x
20x
or zy = 20x
z=
y
y=
5. Target 8I
Solve for x
.
4
x
1
=
+
x2 − 8x + 12 x − 2 x − 6
Target 8I
A.
x = -1
extraneous)
6 is
6. Target 8E
Target 8E
7. Target 8F
Target 8F
8. Target 8G
Target 8G
9. Target 8H
Target 8H