Quadratic, Exponential, and Linear Functions

Quadratic Functions

200

What is the line called down the middle of the parabola?

axis of symmetry

400

What is the vertex of this equation?  y=2(x+5)²+3

(-5,3)

600

Factor completely: 4x²-20x+25

(2x-5)²

800

Factor completely using two methods: 10x²-35x-20

5(x-4)(2x+1)

1000

Use quadratic formula to solve: y=x²-5x+3

4.3

Exponential Functions

200

What is the formula?

f(x)=a^x

or y=ab^x

400

I have 30 frogs and sell half of them every day. Write the equation to model this situation 

y=30(1/2)^x

600

What does f(x) represent in an exponential function?

dependent variable or output  of the function

800

Where does this exponential function start and what is the percent increase or decrease?

y=6(1.04)^x

4 percent increase

1000

Solve the exponential equation that goes through the two points (1,16) (3,64)

y=8(2)^x

Linear Function

200

Find f(6) is f(x)=-8x+9

-39

400

What is the standard form of a linear equation?

y=mx+b

600

What are the independent and dependent variables in a linear equation?

Independent variable: x

Dependent variable: y

800

Write the equation of a line with a slope of 3/4 that goes through the point (4,2)

y=3/4x-1

1000

Find the equation of the line through the two points (1,-4) (3,6)

y=5x-9

Inequalites

200

How do you say this inequality in words:

x>3

X is greater than 3

400

What is the boundry point on this inequality

5x-1<3(x-5)

x=-7

600

Solve the inequliaty 

-3x+7<-8

x>5

800

Should your number line arrow point to the left or right? 

5x-1<3(x-5)

to the left. 0 does not work

1000

Solve the inequality completely and represent your solution on a number line

1/2x<5

x<10

Class Trivia

200

When is our Case21 test? 

March 5

400

What is Ms.Saulsberry's favorite color?

Pink

600

Where did Ms.Saulsberry go to college?

Ole Miss

800

Where did Ms.Saulsberry go to high school?

Desoto Central

1000

What is our daily routine in class, in order?

Bellwork, Bathroom, Notes, Independent Work