Math 112 Test 4 6 pts each April 1, 2004
Solve for x:
1. mc(x - a) + mL = ac(x - 2)
Write in slope-intercept form and STATE
the slope and y-intercept.
2. 2x + 3y -4 =0
Use the given slope and intercept to
graph the line:
3. slope = -2/3, y-intercept = -1
Graph the line using the given point
and slope.
4.
Point = (-2, 4) , slope =undefined
Write the equation of the line with the
given slope and intercept.
5.
slope = 0, y-intercept = -1
Write the equation of the line thru the
given point with the given slope.
6.
Point = (-1, 3) , slope = 8
Find Domain
7.
f(x) = 2
8.
9.
Function evaluation:
Find
f(2), f(a2), f(2b), f(2+b)
10.
1. f(x) = x2 - 4
11.
f(x) = 2
Graph parabolas and Find vertex, axis of symmetry, max or
min value.
12.
f(x) = 3x2
13.
f(x) = -2 x2 + 5
Give the domain and range for each of
the following. Also state whether
or not the graph represents a function.
14.
15.