Transformations
The only transformation that does not preserve congruency
What is a dilation
Describe Volume
What is the amount of space occupied by a 3-D figure
The formula used to find the slope of a line
What is (y2 - y1)/(x2 - x1)
The measures of two angles are (4x + 22) and (7x - 38). Find the value of x if these two angles are congruent.
What is x = 20
Name two things we are looking for to identify a proportional relationship on a graph
What is it must be linear and it must go through the origin
Algebraic Representation: (x , y) -> (y , - x)
What is a 90° clockwise rotation or 270° counterclockwise rotation
The difference between lateral and total surface area
What is LSA excludes the area of the top and bottom bases and TSA is the area of all the surfaces including the top and bottom base
Give your best definition of a function
What is each input (x) has exactly one output (y)
8 + 1.7r = -2.3r - 4
Find the value of r.
What is r = -3
Identify the correct equation to use for a proportional relationship and the equation for a nonproportional relationship
What is proportional y = kx and non-proportional
y = mx + b.
Algebraic Representation (x , y) -> (x , -y)
What is a reflection over the x-axis
A cylinder has a height of 5 feet and a diameter of 2 feet. Find the volume. Round to the nearest tenth.
What is 15.7 ft3
The length of a rectangle is 8 cm. The diagonal length of the rectangle is 15 cm. Find the width of the rectangle rounded to the nearest tenth.
What is width = 12.7 cm
-8x + 10 + 12x = -6x + 15 -2x
Solve for x.
What is x = 3/4
Bill paid $5.88 for 7 apples. Each apple cost the same amount. Write an equation that can be used to find the total cost in dollars, c, for purchasing n apples.
What is c = .84n
A triangle with coordinates A(3,6), B(1,2), C(5,2) was rotated 90° counterclockwise. The new coordinates of the triangle are...
What is Al(-6,3), Bl(-2,1), Cl(-2,5)
A box is in the shape of a square prism. The height of the box is 6 inches, and the area of the base is 25 square inches. Find the total surface area in square inches of the box.
What is 170 inches2
The pet Ms. Buck has...
What is a mini pony named Chicken :)
The value of x that makes this equation true
-12x -2 (x + 9) = 5(x + 4)
What is x = -2
Write an equation to represent this scenario. A football coach is ordering new jerseys for a team. The coach pays $17.50 for each jersey and has a coupon for $50.00 off his entire purchase.
What is y = $17.50x - $50.00