Quadratic Functions
What is the line called down the middle of the parabola?
The line of symmetry
What is the formula?
f(x)=ax
or y=abx
-39
How do you say this inequality in words:
x>3
Who is the best Algebra 1 teacher
LOWE
What is the vertex of this equation? y=2(x+5)2+3
(-5,3)
y=30(1/2)x
What is the standard form of a linear equation?
y=mx+b
What is the boundry point on this inequality
5x-1<3(x-5)
x=-7
A quadratic that is concave up can also be called....
a positive quadratic
Factor completely: 4x2-20x+25
(2x-5)2
What does f(x) represent in an exponential function?
dependent variable or output of the function
What are the independent and dependent variables in a linear equation?
Independent variable: x
Dependent variable: y
Solve the inequliaty
-3x+7<-8
x>5
The slope for a horizontal line is ...
Zero
Factor completely using two methods: 10x2-35x-20
5(x-4)(2x+1)
Where does this exponential function start and what is the percent increase or decrease?
y=6(1.04)x
y=3/4x-1
Should your number line arrow point to the left or right?
5x-1<3(x-5)
to the left. 0 does not work
All the words to describe solutions to a quadratic are...
Roots, X-intercepts, Zeros, Solutions
Use quadratic formula to solve: y=x2-5x+3
4.3
Solve the exponential equation that goes through the two points (1,16) (3,64)
y=8(2)x
Find the equation of the line through the two points (1,-4) (3,6)
y=5x-9
Solve the inequality completely and represent your solution on a number line
1/2x<5
x<10
EXPONENTIALLY