Test 2 Mat 190 Worksheet With Answers - 2008
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1
2Test 2
MAT 190
Spring 2008
Name ________________________
Simplify all answers and show your work! You may use MathGV as a tool.
1. In the linear equation 2x – 9y = 18, what is the x-intercept? __(9, 0)__ y-intercept? __(0, -2)__
4
2. In the equation 4x + 5y = 11, what is the value of the slope?
−
5
A
3. In the equation Ax + By = C, what is the value of the slope?
−
B
4. Lines that are parallel have the same ___slope___.
Find the equations of the lines with the given properties:
5. Passing through points
6. Passing through (-2, 4) and
7. Passing through (0, 5.1)
3
(2, 4) and (-3, -2).
having a slope of
− .
and having a slope of -2.8.
5
6
8
3
14
6x – 5y = -8 or y =
x
3x + 5y = 14 or y =
x
y = -2.8x + 5.1
+
−
+
5
5
5
5
8. Solve for x: 5(4 – x) = 6(x – 3) + 2x
9. Graph 4x – 5y = 20
38
x =
13
5
13
−
=
x
y
10. Graph the following system of equations.
11. Solve the system of equations:
4
10
+
=
−
x
y
3
2
=
−
y
x
and find the point of intersection.
1
5
=
−
+
y
x
2
(2, -3)
(2, 4)
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