Test 2 Mat 190 Equation Worksheet With Answers - 2008
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1
2Test 2
MAT 190
Summer 2008
Name ________________________
Simplify all answers and show your work! You may use MathGV as a tool.
1. In the linear equation 6x + 5y = 30, what is the x-intercept? _(5, 0)_
y-intercept? __(0, 6)__
8
2. In the equation 8x – 7y = –42, what is the value of the slope?
7
3. Lines that are parallel have the same _slope__.
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, 7) and
7. Passing through (0, 1.7)
7
(-1, 3) and (2, 5).
having a slope of
.
and having a slope of 3.5.
−
4
2x – 3y = -11
7x + 4y = 49
y = 3.5x + 1.7
8. Solve for x: 2(x + 3) – 5 = 3x + 4
9. Graph 2x + 3y = 12
x = -3
See Graph
x 3
y 2
16
−
=
10. Graph the following system of equations.
11. Solve the system of equations:
x 7
y 4
20
+
=
y
2
x
3
=
+
and find the point of intersection.
1
y
x
2
=
−
(4, -2)
3
See Graph
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