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Math 208 Unit 2 Review
2.7
1. Find the slope of the line tangent to the circle
2. Find
2
2
x + y =25 at (3,4).
dy /dx for the following:
3
a) x y +5 y=8 x
2
2
b) 3 x +10 xy y =25
c)
9y
=10 x 2
2
x y
3. Find the equation for the tangent line of the graph
Unit 2 Review
1.
Find the determinant of this matrix:
[
3 5 2
A= 0 5
x
2 10 1
2.
If
3.
Solve for x:

]
[
3 5 2
0 5
x
2 10 1
]
.
, find M12, and C23.

2 x 3 x1 =0.
3 x7
4.
Given
 A=3 and A is a 4x4 matrix, then find the following.
a)
2 A
b)
3 A 1
c