Module 1
Proportional? Scale factor?
x y
450 18
750 30
1,125 45
1,800 72
Yes, .04
A diver dives 3 meters below the surface of the water, then dives 5 meters deeper. What number best represents the diver's elevation?
-8 meters
Combine Like Terms
7x - 12x + 6x + 19
x + 19
1 unique triangle can be made with 3 given angles.
false
A percent is always a number over ___
100
Lily walks 60 feet in 10 seconds. Nora walks 25 feet in 5 seconds. Who walks at a faster rate?
Lily, because 6 ft/s is faster than 5 ft/sec.
-10 + (-47)
-57
Combine like terms
5/6y - 2/3 - 1/6y
2/3y - 2/3
What is the circumference of a circle with a radius of 3.6 cm?
22.6 cm
If Sonia sells a car for $13,299 and makes 3% commission, how much money will she earn?
$398.97
When Tina works for 7 hours, she earns 61.25 dollar. Write an equation relating Tina's pay (p) to the number of hours she works (t).
y = 8.75x
2 - 5 + (-9)
-12
What is the difference between supplementary and complementary angles?
Complementary angles add to 90 degrees, and supplementary angles add to 180 degrees.
254.5 in squared
Alex is looking at a tv priced at $1,108 and notices there is a 15% discount. How much will Alex pay after the discount?
$941.8
A scale drawing is made from an original. A part of the scale drawing measures 11 inches. If the scale factor is 2, what is the corresponding measurement in the original drawing?
5.5 inches
-.2(-1.4)
.28
What are vertical angles?
Vertical angles are lines that intersect, creating 2 pairs of equivalent angles.
What is the easiest way to find the volume of a right prism?
B (area of base) x height
Lisa prices a lamp for $48 on Ebay, then later for $54. What was the percent increase?
12.5%
Car A uses 21 gallons of gas to travel 590.1 miles. Car B uses 23.5 gallons to travel 568.7 miles. Which car uses less gasoline per mile?
Car A
-1.35 ______ -1 and 4/9
Which is bigger?
-1.35
Solve for x.
x+(x+2)+(x+4)+(x+6)=56
x=11
A cross section that is perpendicular to the base will:
a. look like the base
b. look like the lateral face
Maria saw a chair for $400 on Monday, then for $330 on Tuesday. What was the percent decrease?
17.5%