Unit 3 Vocabulary
a comparison of the size of one number as compared to the size of another number.
Ratio
What is slope?
Acceptable answers:
rise over run, difference in y over difference in x, rate of change in a linear equation, rate of change, etc.
Which LVLHS school (MAS/SOJO/INF/WL) has not taken the Freshman class on any field trips all year?
World Language
Solve for x:
x/4=15/20
x=3
Solve for x:
x-3=17
x=20
A rate that compares a quantity per one of the other quantity is called a(n)
Unit Rate
Calculate the x- and y-intercepts of the linear equation 2x-7y=28
x-intercept: (14,0)
y-intercept: (0,-4)
The NBA is the National Association for what sport?
Basketball
18 is what percent of 24?
75%
Solve for x:
2x+12=8
x=-2
What is the slope y=-5/2x+3
-5/2
Calculate the slope of a line that crosses the points (1,8) and (5,2)
-3/2
(2-8)/(5-1)=-6/4=-3/2
What is the largest city by population in the United States?
New York City
Sam can swim 18 laps in 4 minutes. How many laps can he swim in 10 minutes if he is going the same pace?
45 laps
Solve for y when x=-12
y=1/3x-2
y=-6
WORK:
y=1/3(-12)-2
y=-4-2
y=-6
Two ratios that compare two different units is called a(n)
rate
In order to move between two points on a line, Arturo moves 4 units to the left and 6 units up. What is the slope of the line Arturo is looking at?
rise: 6 (up=positive)
run: -4 (left=negative)
Who wrote Romeo and Juliet?
William Shakespeare
$12.60
Solve for x:
2(3x+4)=12+3x
x=4/3
Belle made a scale drawing of a restaurant. In real life, a countertop in the restaurant is 6 feet long. It is 2 inches long in the drawing. What scale did Belle use?
1 inch : ____ feet
1 inch : __3_feet
y=4x-7
Name 2 of the 5 Great Lakes in the United States?
+100 points for every Great Lake you can name after the first 2
Lake Michigan, Lake Huron, Lake Erie, Lake Ontario, and Lake Superior
Emily is buying a new bike, she found one she wants that costs $129.99. Her mom gave her a coupon for 15% off before she left the house, and she will have to pay a 6.2% tax on the bike. What is the final amount Emily will pay for the bike?
$117.34
WORK:
129.99(1-0.15)=110.4915
110.4915(1+0.062)=117.341
Solve for x:
-3-17x=2(26-3x)
x=-5
WORK:
-3-17x=52-6x
+6x
-3-11x=52
+3
-11x=55