Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
100
-(-12) - |-6|
12 - 6 = 6
100
9.1 = w - 1.6
{10.7}
100
Write an inequality that represents the word sentence.
The weight of the box is greater than 54 pounds.
w > 54
100
What is the domain and range of this?
Domain: {a,c,g,h}
Range: {t,v,w,z}
100
Tell whether each relation represents a linear function. Find the slope
of all linear functions.
y=7/8x+9
yes; slope: 7/8
200
1 1/5 * (-1 1/2)
-1 4/5
200
29 = 5n - 9n + 25
{-1}
200
Graph the solution.
b > -8
200
Relation R is represented by the rule y 2x2. Solve.
If (a,-50) belongs to R, find a.
a = 5
200
Find the slope of the line that connects the given points.
(3,9) and (12,1)
m= -8/9
300
3^3 / 3^-2
243
300
|j + 7| - 4 = 15
{-26, 12}
300
Write the inequality.
n < 5
300
Find the indicated term of each arithmetic sequence.
a10 of
2/3,4/3,2,8/3,....
20/3
300
Write an equation in slope-intercept form for the line with the given slope
and y-intercept.
slope: -4/5
yintercept: 2/3
y=-4/5x+2/3
400
4 x 10^12 + (1.8 x 10^9) (2.6x10^3)
8.68 x 10^12
400
Solve for a.
n = -12x^2 +ax
a = n/x +12x
400
Write the solution set in either set-builder or interval notation.
v + v/9 <15
v<27/2
{v|v <27/2}
(-∞,27/2)
400
Write a recursive formula for the nth term of each geometric sequence.
80, 48, 28.8, 17.28, . . .
an = 0.6 x an-1
400
Identify the slope and y-intercept of the line whose equation is given.
7x +5y = -20
slope: -7/5
y-intercept: -4
500
[12 1]
500
solve for h.
7(h+f)=m
h=m/7 -f
500
Solve the inequality. Write answer in set-builder or interval notation.
3|z| + 18 > 27
{ z | z <- 3 or z > 3}
(-∞,-3) U(3,∞)
500
Write a function rule for the nth term of each arithmetic sequence.
-12, -17, -22, -27, . . .
an = -5n - 7
500
Write an equation in slope-intercept form for the line that is described.
perpendicular to 2x + y = -5
and passing through (1, 1)
y=1/2x+1/2