Linear Equations
Define the y-intercept
b = where the line crosses the y-axis
The exponent in scientific notation tells me...
how many times you move the decimal left or right
The five categories of real numbers are...
Natural, Whole, Integers, Rational, Irrational
What makes a set of ordered pairs a function?
X (the first number) can't repeat
Where is Ms. Scarff from?
Las Vegas
How do you find the slope or y-intercept from a table?
Lists & Spreadsheets
Menu 413
Which number is in scientific notation?
A.) 12.3 x 103
B.) 0.123 x 10-3
C.) 1.23 x 13
D.) 1.23 x 103
D
The square root of 16 is classified as what? (Best answer not all classifications)
Is a circle a function?
No
What school is Ms. Meyer attending?
UTD
How do you find slope from a graph?
Find two points then rise over run
Write 12,304 in scientific notation
1.2304 x 104
-3.75 is considered...
rational
Is this a function?
(0,1) (1,1) (2,1) (3,1)
Yes because the x doesn't repeat but the y can
How many people passed CA1 in Ms. Scarff's classes with approaches or better? (Hint: look at the data wall)
51!
What is the old school formula for finding slope?
y2-y1 divided by x2-x1
Convert 4.56 x 10-4 to standard form
0.000456
The square root of 82 is considered...
Irrational
Give any example of a function in real life.
What percentage of your class got masters on CA1?
1st Period: 4%
2nd Period: 9%
4th Period: 25%
Which line is steeper? How do you know?
A.) y=1.2x+4
B.) y=-1.5x+5
C.) y=-3x-1
D.) y=0.1x-7
C is the steepest line because the slope m=-3 has the greatest absolute value
Which one is greater: 1.234x103 or 1,234,000 ?
1,234,000
Zero belongs to which category of numbers? (Name them all!)
Whole, integer, rational, and real
Are all lines functions?
No, a line that goes straight up and down is not.
DAILY DOUBLE!
Name all of your classmates. Write them down.
Worth 1000 points!
1st Period has 24
2nd Period has 22
4th Period has 20