Functions
Is the following equation a function:
y2 = 4x + 10
Not a Function
When a function's graph doesn't form a straight line it is called?
Non-Linear
A cone has a radius of 1.2 inches and a height of 2.9 inches. What is the volume of the cone to the nearest tenth (0.1) of an inch?
4.4 inches
What is the rigid transformation that slides an image on the coordinate grid?
Translation
Write the following number in scientific notation:
0.0000000534
5.34 x 10-8
Is the following equation linear or non-linear?
y = 4x2 - 0.45 + (1/2)
Non-Linear
It is the middle of the coordinate grid where the x-axis and y-axis meet?
Origin
A water tank is in the shape of a cylinder with a height of 20 feet and a radius of 4. What is the volume of the water tank?
320pi or 1005.31
What is the transformation that changes the size of an image but not the shape?
Dilation
Write the following answer in exponential form and it must be positive:
(54 x 5-9 x 5-2 x 53)6 =
1/(524) or 1 over 5 to the 24th power
Which ordered pair can you remove in order to make the following points a function.
(1, 4), (6, 20), (3, 12), (-2, -4), (10, 36), (6, 22), (-3, -8), (4, 6)
(6, 20) or (6,22)
Is the easy way scientist use to write very large or very small numbers
Scientific Notation
A ball has a radius of 6 inches what is the volume of the ball?
904.77 or 288pi
In a dilation, if the scale factor is 0.8 what will happen to the image?
Get Smaller, Shrink, or Reduction
Evaluate the following expressions when x = -3
y = -6x - 3
y = 15
Which of the three functions below is linear?
C = 2(pi)r
A = (pi)r2
V = 4/3(pi)r3
C = 2(pi)r
When two triangles have corresponding sides that are proportional and the angles are congruent they are called
Similar Triangles
A cylinder has a diameter of 8 inches and a height of 8 inches. What is the volume of the cylinder?
402.12 inches3 or 128pi
When two images have the same shape, same angles and same size they can be called?
Congruent
Solve the following equation:
4n - 40 = 7(-2n + 2)
n = 3
A crane is lowering a concrete block from a height of 270 feet above the ground at a constant rate of 2.5 feet per second. Write a function to determine h, the height of the concrete block after s seconds?
y = 270 - 2.5x or y = -2.5x + 270
This is sometimes called the initial value of a function written in slope-intercept form.
Y-intercept
A cylinder has a diameter of 14 cm and a volume of 112(pi). What is the height of the cylinder?
h = 16/7 or 2.29
Rectangle T is dilated with a scale factor of 1 and then it is reflected over the y-axis. The new-image is called Rectangle V. Are the two Rectangles congruent or not congruent?
Congruent
A line contains the points (10, 17) & (7, 8). What is the slope of the line
M = 3