Help with 10 Math Problems
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quiz-2_.docShow your work on all the problems.
1. Find the center and radius of the circle given by
(x + 2)2 + y2 = 36.
2. Find a slope-intercept equation for a line with slope 3 which passes through the point (1, –2).
3. Find the slope and y-intercept if they exist.
a. 3x – 4y = -11
b. 2x = - 4
4. Determine whether the lines are parallel, perpendicular or neither
a. 3x – 2y = 8
6x – 4y = 2
b. y – 2x = 4
2y – 3x = -7
5. Solve. 2(n-3) = (n+5)
6. Determine whether the relation is a function.
a. {(3,1), (5, 3), (7, 7), (3, 5)}
b. {(2, 7), (-2, -7), (7, -2), (0, 2), (1, -4) }
7. Find the domain of the function
f(x) =
x
x
-
+
2
5
8. Solve and write the interval notation for the solution set.
-2 < 5x – 4 ≤ 6
9. Find the zero of the function f(x) = 3x + 9
10. The formula
)
32
(
9
5
-
=
F
C
can be used to convert Fahrenheit temperatures F to Celsius temperatures C. For what Fahrenheit temperatures is the Celsius temperature lower than 450 C?
