Word Problems
CL 6-110 What is Pricilla's Equation?
CL 6-110
Priscilla: y= -1x + 32
CL 6 -111
Graph Triangle B.
(-1, -1) (-4, -1) and (-4, -3)
CL 6-111
Show your triangle to your teacher for points. :)
CL 6-116
See the triangle at the right. Name the original coordinates.
A: ______ B: ______ C: ______
CL 6-116
A: (-3, 2) B: (-2, -2) C: (1, 2)
CL 6-113
Use the following ratior (new/original) to find the scale factor.
8/24 and 6/18
SF: _____
CL 6-113
SF: 1/3
Diving by 2 is the same as multiplying by ____.
CL 6-110
What is Ursula's equation?
CL 6-110
Ursula: y=2x + 5
CL 6-112
Graph the points A (-2, 9) B (-3, 7) and C (-5, 10).
Show your teacher for points! :)
CL- 116
d. Describe how triangle ABC changed. (Dilation with a scale factor of -2).
CL- 116
It got bigger (enlargement). Multiplying by a negative made it reflect.
CL 6-113
Solve the proportion to solve for x.
8/24 = x/8
CL 6-113
x= 8/3 or 2.6666...
Diving by 3 is the same as multiplying by _______.
Multiplying by 1/3
CL 6-115
What is Khan's equation? What is Jorman's equation?
Khan:
Jorman:
CL 6-115
Khan: y = 8x + 750
Jorman: y = 30x + 60
CL 6-111
b. Reflect Triangle B across the y-axis. Change the sign of the x- coordinate.
Original: (-1, -1), (-4, -1) (-4, -3)
CL 6-111
b. (-1, -1) (4, -1) (4, -3)
CL 6-116
Graph Samatha's new triangle.
A': (6, -4) B': (4, 4) C': (-2, -4)
Show your teacher your graph for points! :)
CL 6-113
Solve the proportion to solve for y.
8/24 = y/5
CL 6-113
y= 5/3 or 1.6666...
CL 6-117
Solve for the perimeter of the trapezoid.
x +x + 3x - 9 + x + 12 = 117
CL 6- 117
x = 19
The perimeter of the trapezoid is 19 units.
CL 6-114
Solve to determine after how many weeks it will take for Jorman to catch up to Khan in points.
8x + 750 = 30x + 650
CL 6-114
x= 4.5
4.5 weeks
CL 6-111
a. Rotate Triangle B 180 degrees about the orgin. (Change all the signs)
Original: (-1, -1) (-4, -1) and (-4, -3)
CL 6-111
a. (1, 1) (4, 1) and (4, 3)
CL 6-116
b. Dilate by -2 (multiply) and name the new coordinates.
Original: A: (-3, 2) B: (-2, -2) C: (1, 2)
New: A:_____ B: ______ C:______
CL- 116
b. A': (6, -4) B' : (4, 4) C' (-2, -4)
What makes two figures congruent?
Same Size, Same Shape
CL 6-115
Solve
a. 3(2 +x) = 4 - (x-2)
CL 6-115
a. x = 0
CL 6-110
When did Priscilla and Ursula have the same number of worms? Solve.
-1x + 32 = 2x + 5
CL 6-110
x = 9
After 9 minutes
CL 6-112
a. Slide the original triangle right 4 units and down 6 units.
Original: A: (-2, 9) B: (-3, 7) C: (-5, 10)
Rule: (x, y)--> (x + 4, y - 6)
Write the new coordinates. A' ___, B' ___, C' ___
CL 6-112
a.
Rule: (x, y)--> (x + 4, y - 6)
A' (2, 3) B' (1, 1) C' (1, -4)
CL 6-112
Reflect the original triangle across the y-axis. Change the sign of the x-coordinate
Rule: (x, y) --> (-x, y)
Original: A (-2, 9) B (-3, 7) C (-5, 10)
A' (______) B' (______) C' (______)
CL 6-112
b. Rule: (x, y) --> (-x, y)
A' (2, 9) B' (3, 7) C' (5, 10)
What makes two figure similar?
Same shape, not same size
CL 6-115
b. Clear the fraction with 6 and solve.
3x + 2x - 6 = x + 18
CL 6-115
b. x = 6