A(n) ___________ uses division to compare two quantities.
What is a ratio?
100
The inequality x<2 or x>3 is an example of a(n)
Compound inequality
100
A relation is a(n)___________ if for each domain element there is exactly one range element.
what is a function
200
w-9=11
20
200
-1/3+1/6=
-1/6
200
a/9=6
a=54
200
All real numbers that are greater than -1
x>-1
200
Function?
(-3,5), (-1,2 ) (-1,4) (6,0)
not a function
300
The sum of 19 and the cube of a number x
19+x^3
300
-9(y-7)=
-9y+63
300
3/4=z/16
12
300
-2<4-3a<13
-3<a<2
300
Find the slope that passes through
(2,1) and (8,4)
slope=1/2
400
8+3b>15;2
not a solution
400
(-16v+8)/-4
4v-2
400
-9x +3y=18
y=3x+6
400
[3y+1]-6=-2
1 and -1.66
400
Direct variation? 3x-3y=0
Yes, k=1
500
Twice the difference of a number z and 12 is equal to 10.
2(z-12)=10
500
The revenue from sales of digital pianos in the United States was $152.4 million in 2001 and $149.0 million in 2002. Find the change in revenue from 2001 to 2002.
-3.4 million
500
You are making a scale drawing of your classroom using the scale 1 inch:3 feet. The floor of your classroom is a rectangle with a length of 21 feet and a width of 18 feet. What should the length and width of the floor in your drawing be?
7 inches and 6 inches
500
An amusement park charges $7 for admission and $1.50 for each ride. You have $30. What are the possible numbers of rides that you can go on?
at most 15 rides
500
The point (-1,8) is on the line that has a slope of -3. Is the point (4,-7) on the same line? Explain
Yes, the slope of the line through both points is -3.