Slope/Y-intercept
Find the slope in this equation: Y= 4X+7
m = 4
Where did Ms. Le go to college?
University of Houston
Convert to Scientific Notation: 26,870
2.687 x 104?
$15 a month plus free texts plus $0.20 per minute of call time
y = .20x + 15
What rule looks like this (x,y) -> (x+h, y-k)?
Translation h units right and k units down
Find the y-intercept given two points: (0,0) and (4,-8).
b = 0
What is the formula for finding a missing SIDE?
a2=c2-b2 or b2=c2-a2
Convert to Scientific Notation: 0.075
7.5 x 10-2
Robert buys 20 Black Panther comic books that cost $3.50 each.
y = 3.50x
What rule looks like (x, y) -> (kx, ky)
Dilation
Find the slope given two points: (2,4) and (5,7).
m = 3/3 or 1
When is Ms. Wells' birthday?
December 10th and 11th (Ms. Wells has 2 birthdays)
Convert to Standard Notation: 6.8 x 104
68,000?
What the are 2 things a line has to satisfy to be proportional?
1. Passes through (0,0)
2. Straight line/linear
What rule looks like this (x, y) -> (y, x)?
180° Rotation
Find the slope and y-intercept given two points: (8,3) and (5,2).
m = 1/3 and b = 1/3
When is Ms. Wells' birthday?
December 10th and 11th (Ms. Wells has 2 birthdays)
Convert to Standard Notation 7.96 x 10-3
.00796?
The entrance fee for Mountain World theme park is $20. Visitors purchase additional $2 tickets for rides, games, and food.
y = 2x + 20
What rule is (x, y) -> (-x, y)
Reflection across the y-axis
Find the equation given these two points: (0, 10) and (7,14)
Y = 4/7 X + 10
Is the triangle with side lengths 14, 9, 12 a right triangle?
No
Which is larger: 67,000 or 6.7 x 103
67,000?
To find the slope using a table.....
Find the change in Y over the change in X
What rule looks like this (x, y) -> (-y, x)?
90° Counterclockwise Rotation