Vocabulary
Systems of Equations
Intergers
Functions
BONUS
100
Input is _____ axis.
Output is _____ axis.
Input is x-axis.
Output is y-axis.
100
How many solutions does this graph have? Give the coordinate pair(s).
*Make an educated guess, it's not going to be exact*
2 solutions
(3, 30) and (8,77)
100
Multiplication/Division when signs are the same
Multiply/Divide and the answer is positive
100
How many times does the temperature increase throughout the the week?
3 times
(Sun.-Mon., Tues.-Wed., and Thurs.-Fri.)
100
Each input can only have ___ output(s).
1
200
The difference between a constant and a coefficient is__________.
Coefficient is the number multiplied or next to the variable.
Constant is the number by itself or with no variable.
200
Choose the system of equation and solve
2x+5y=19
y=3x-3
Substitution
(2,3)
200
Multiplication/Division when signs are different
Multiply/Divide and the answer is negative
200
Give a scenario for the function: What's the independent variable? What's the dependent variable?
Independent: Time
Dependent: Speed
200
Is temperature a function of the days of the week?
OR
Are the days of the week a function of temperature?
Temperature is a function of the days of the week
Remember "y" is a function of "x"
300
What type of lines are represented by no solution? one solution? infinite solutions?
No solution: Parallel lines
One solution: "X", intersects at one point
Infinite solution: Same line
300
Choose a system of equation and solve
y=-3x+2
y=2x-3
Graphing
(1,-1)
300
Addition when the signs are same
Add and keep the sign
300
What's the function?
*Hint: how do I get from x to f(x)*
f(x)=-3x+2
300
What are the equations we use for a proportional relationship? linear relationship?
Proportional: y=kx
Linear: y=mx+b
400
The vertical line test is ___________.
The vertical line test is when you a vertical line crosses through a graph more than one time. It is NOT a function.
400
Choose a system of equation and solve
5x-2y=17
6x+2y=16
Elimination
(3,1)
400
Subtraction
Add the opposite
400
Which company produces their product the fastest? How do you know?
Function B
400
If a sphere has the same volume as a cube with edge length 5, estimate the radius of the sphere?
V=125
500
What does f(x) mean?
"y" is a function of "x"
500
Solve this system of equation
3x-2y=6
x+y=-8
Explain why you chose this method
Elimination
(-2, -6)
I chose this method, because _______
500
Addition when the signs are different
Subtract and keep the sign of the larger
500
AJ want to rent a car for his trip to Seattle. A local car rental place charges a one-time fee of $100 plus $20 a day. Write an equation and graph it to represent the scenario.
*Teachers will award or deny points accordingly*
500
What is the name of Mr. Adam's, Ms. Bigger, and Ms. Robinson's dogs?
Nyla, Fancy, and Ace