Test 2 Mat 190 Worksheet With Answers - 2008
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1
2Test 2
MAT 190
Winter 2008
Name ________________________
Simplify all answers and show your work! You may use MathGV as a tool.
1. Lines that are parallel have the same __slope___.
2. In the linear equation 3x + 7y = 21, what is the x-intercept? __(7, 0)__ y-intercept? _(0, 3)__
7
3. In the equation 7x + 8y = 21, what is the value of the slope?
−
8
A
4. In the equation Ax + By = C, what is the value of the slope?
−
B
Find the equations of the lines with the given properties:
5. Passing through points
6. Passing through (3, 5) and
7. Passing through (0, 3.8)
7
(4, -2) and (-1, 1).
having a slope of
.
and having a slope of -1.5.
4
3x + 5y = 2
7x – 4y = 1
y = -1.5x + 3.8
8. Solve for x: 3(x + 5) = 4x + 2(x – 3)
9. Graph 2x – 3y = 6
x = 7
x 2
y
6
+
=
−
10. Graph the following system of equations.
11. Solve the system of equations:
x
y 3
13
+
=
−
y
x
3
=
+
and find the point of intersection.
y
x 2
1
=
−
(-1, -4)
(4, 7)
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