Types of Numbers
Classify all the names for : 0
Whole, Integer, Rational, Real
Which is bigger?
square root 3 + 2 or square root 3 + 3
square root 3 + 3
Write in standard form:
1.8799 x 10^9
1,849,900,000
What is the equation to find slope between two points?
y2-y1/x2-x1
Distance 10 20 30 50
Time 1 2 4 7
Is this relationship proportional?
No
Classify all the names for : 0.75
Rational, Real
Put in order from least to greatest:
square root 10, pi , 3.5
pi, square root 10, 3.5
Write in standard form:
3.582 x 10^-6
0.000003582
True or False:
Rate of change is the same as slope.
True
When x=12, y=8. Find y when x=18.
y=12
Classify all the names for : square root of 7
Irrational, Real
Which is bigger?
10 - square root 8 or 12 - square root 2
12 - square root 2
Is the following in scientific notation?
0.645 x 10 ^3
No
Find the slope between the two points:
(20,2) and (50,5)
1/10
Fill in the blank:
A ______ is a relationship that can be written as y=kx.
Direct Variation
True or False?
All whole numbers are rational numbers.
True
Order from least to greatest :
square root 3, 2pi, 1.5
1.5, square root 3, 2pi
Write in scientific notation:
58,927
5.8927 x 10^4
True or False:
Slope = run/rise
False
Mary's new washing machine saves water for each load she washes at a constant rate. If she saves 12 gallons in one load, how much does she save in 5 loads?
60 gallons
Identify the set that best describes :
the number of seconds remaining when a song is playing, displayed as a negative number.
Integers
Order from greatest to least :
square root 17 - 2, 1 + pi/2, 12/5, 2.5
square root 17 - 2, 12/5, 2.5, 1 + pi/2
Write in scientific notation:
0.00277
2.77 x 10^-3
Find the slope between the two points:
(2,5) and (-2,-5)
5/2
Lupe's heart beats 288 times in 4 minutes. If his heart beats at a constant rate, what is the equation that represents the number of times his heart beats per minute?
y=72x