A function with a constant rate of change and a graph represented as a straight line.
Linear Function
Evaluate this expression using the quotient rule.
97/ 92
95
a group pf numbers, symbols and variables that express an operation
Expression
Solve using quadratic formula:
3x2 - 5x + 2 = 0
x = 1
x = 2/3
What values of b make an exponential growth function?
b > 1
Which set of values is a function?
A. (9,5) (10,5) (9,-5) (10,-5)
B. (6,-5) (7, -3) (8, -1) (9, 1)
C. (3,4) (4,-3) (7,4) (3, 8)
D. (2, -2) (5, 9) (5, -7) (1, 4)
B
Anything raised to the 0 power is…
1
Solve using elimination:
y = x + 4
y = 2x - 5
x = 9
y = 13
The axis of symmetry line passes through which point?
Vertex
In exponential decay problems, the decay value is always....
More than zero, but less than 1
Is the relation{(<,>),(^,-),(+,=),(&,%)} a function?
yes, since no first element is repeated
According to exponent rules, when we multiply the same base we _______ the exponents.
Add
-27
Write the Quadratic Equation in Standard Form:
y = ax²+bx+c
What type of function is f(x)=2(1/7)x ?
Exponential Decay
Which is used to determine if a relation is a function?
vertical line test
Put the following expression in STANDARD form:
2224
64
David is running a concession stand at a soccer game. He sells nachos and sodas. Nachos cost $1.50 each and sodas cost $0.50 each. At the end of the game, David made a total of $78.50 and sold a total of 87 nachos and sodas combined. Which system of equations represents this situation?
1.5x+0.5y=78.5
x+y=87
A vertical line that goes through the vertex of a quadratic equation and divides the parabola into two congruent halves; when using standard form, this can be found using "the mini equation" which is?
Axis of Symmetry
Pick the equation that is exponential growth
A. y=2(0.5)x
B. y = 0.5(2)x
B.
What is the definition of function?
Every input has only one output
(23)(22)
32
x = 2
y = -1
z = 3
Find the minimum point of the graph x2 + 12x + 4
( -6 , -32 )
The value of a car is $15,000 and depreciates at a rate of 8% per year. Which equation models this situation?
A. y=8(15,000)x
B. y=15,000(1.08)x
C. y=15,000(0.92)x
D. y=15,000(0.08)x
C.