Functions Study Guide
Vocabulary
-Function
-Slope
-Y-Intercept
-Linear Relationship
-Parabolic Relationship
-Absolute Value
-Line
-Vertex
-Independent Value
-Dependent Value
-Graph
-Coordinate
-Coordinate Plane
-X-Axis
-Y-Axis
-Translation
-Rotation
-Reflection
Formulas
-Linear
-Parabolic
-Absolute Value
-Exponential
-Slope
-How do you know if an equation will give a linear, parabolic, exponential, or absolute value
graph?
1. Y = 5X + 1
a. Linear, Parabolic, Exponential, Absolute Value, None?
b. Slope?
c. Y-Intercept?
d. Increasing/Decreasing/Growing/Shrinking?
e. Graph at least 3 coordinates on a graph.
f. Describe the graph movement.
g. Make a table of at least 5 coordinates
2. Y = 2X
a. Linear, Parabolic, Exponential, Absolute Value, None?
b. Slope?
c. Y-Intercept?
d. Increasing/Decreasing/Growing/Shrinking?
e. Graph at least 3 coordinates on a graph.
f. Describe the graph movement.
g. Make a table of at least 5 coordinates
3. Y= X + 8
a. Linear, Parabolic, Exponential, Absolute Value, None?
b. Slope?
c. Y-Intercept?
d. Increasing/Decreasing/Growing/Shrinking?
e. Graph at least 3 coordinates on a graph.
f. Describe the graph movement.
g. Make a table of at least 5 coordinates
4. Y = 2 (1 + 0.90)X
a. Linear, Parabolic, Exponential, Absolute Value, None?
b. Growth Factor?
c. Growth Rate?
d. Increasing/Decreasing/Growing/Shrinking?
e. Graph at least 3 coordinates on a graph.
f. Make a table of at least 5 coordinates
5. Y = X2 + 3X + 10
a. Linear, Parabolic, Exponential, Absolute Value, None?
b. Vertex?
c. Increasing/Decreasing/Growing/Shrinking?
d. Graph at least 3 coordinates on a graph.
e. Describe the graph movement.
f. Make a table of at least 5 coordinates
6. Y = -X2 + 2X + 6
a. Linear, Parabolic, Exponential, Absolute Value, None?
b. Vertex?
c. Increasing/Decreasing/Growing/Shrinking?
d. Graph at least 3 coordinates on a graph.
e. Describe the graph movement.
f. Make a table of at least 5 coordinates
7. Y = l X l
a. Linear, Parabolic, Exponential, Absolute Value, None?
b. Vertex?
c. Increasing/Decreasing/Growing/Shrinking?
d. Graph at least 3 coordinates on a graph.
e. Describe the graph movement.
f. Make a table of at least 5 coordinates
8. Y = - l X l
a. Linear, Parabolic, Exponential, Absolute Value, None?
b. Vertex?
c. Increasing/Decreasing/Growing/Shrinking?
d. Graph at least 3 coordinates on a graph.
e. Describe the graph movement.
f. Make a table of at least 5 coordinates
9. If one bead costs $0.40, and one piece of string costs $1.00, how much would it cost to make a
bracelet with 20 beads? (Write an equation for this function. Answer in the 3 step method)
10. If David makes 10 times as many donuts as Gina, and together they make a total of 100 donuts,
how many donuts does Gina make? (Write an equation for this function. Answer in the 3 step
method.)