Slope Intercept Form
How do you find the slope of a graph?
m = rise/run
Triangle ABC has vertices A(-3, 5), B(2, 5) and C(0, 9). What would be the coordinates of A' after a rotation 90 degrees clockwise?
A'(5,3)
In the translation rule (x,y) --> (x - 5,y) the image is moved?
Left 5 units
Solve for x:
6x + 5 + 7x = -34
x = -3
Where is Mr. Lewis From?
Fayetteville, NC
Determine the slope and y-intercept. y = 3/2x + 3
Slope : 3/2 & Y-Intercept : 3
Reflect the points A(2,3), B(5,7), C(3,5) across the x-axis.
A(2,-3), B(5,-7), C(3,-5)
If your Scale Factor is = 6/5, what type of dilation is it?
Enlargement
Solve for the Variable:
2x + 1 = 2x - 1
No Solution
The original figure prior to a transformation.
Pre-Image
What is the Slope intercept form if m = -3 and b = 7
Y = -3x + 7
Rotate Coordinates A(1,3), B(4,4), C(3,1) 90 Degree's clockwise about the origin.
A(3,-1), B(4,-4), C(1,-3)
Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)
A'(9,9) B'(18,18) C'(27,9)
Solve for the Variable:
15(t+2)+9t=6
t = -1
What's the total amount of days we are in school?
180 days
Given two points (0,-2) & (3,-4) Write in Slope intercept form.
Y = -2/3x - 2
Rotate X(-5,7), Y(-3,6), Z(-2,5) 90 Degree's Counterclockwise, then rotate 180 degree's about the origin. What are the new coordinates?
X''(7,5), Y''(6,3), Z''(5,2)
If point H(-8,2) is translated by the rule (x, y − 7), what is the new ordered pair for point H'?
H'(-8,-5)
Solve the equation:
12x - 15 = 3(2x+3)
x = 4
Peppy Pets charges a flat fee of $15 plus $3 per hour to keep a dog during the day. Happy Hounds charges a flat fee of $21 plus $1 per hour. Write an equation that you could use to see when the two companies would charge the same amount?
3x + 15 = x + 21
Stephanie owes her mom $80 for a recent trip to the mall. She plans to payback $15 a month until it is paid back. Write an equation in slope-intercept form that relates the amount she owes, y, to the amount of months, x.
Y = 15x - 80
Rotate Coordinate B(3,4) 180 degree's about the origin, then reflect over the y-axis. What are the final coordinates?
B (3,-4)
What transformation is happening?
(x, y) ----> (x + 2, y - 3)
slide right 2, down 3
Solve for x:
4(2 – x) +2x = 13 – 3x
x = 5
When was Mr. Lewis Birthday?
Mothers Day May 8th