Quadratic Functions (Graphing, Vertex, and Line of symmetry)
Quadratic Functions (Finding Zeros)
Linear Functions
Graphing Functions
Exponential Functions
100
f(x)=-x2-4x
(-2,4)
100
Use the Zero Product Property to solve the following quadratic equation. (x - 7)(x + 2) = 0
x = 7 x = -2
100
What is the x-coordinate of the point where the graph intersects the x axis called?
What is the x intercept
100
What is the y-intercept of this graph?
1
100
Write an exponential growth function to model the situation. A population of 422,000 increases by 12% each year.
What is f(x) = 422,000(1.12)^x
200
Solve the following quadratic equation by using square roots: 4x2 = 400
x = 10 x = -10
200
Solve the following quadratic equation by completing the square: x2 - 6x = -5
x = 1 x = 5
200
Write the equation in slope intercept form: slope=0, y intercept =-5
y=-5
200
Jimmy works at Bestbuy and gets paid an hourly rate, and also gets paid a bonus.
If the equation y = 20x + 15 represents the amount of money he can earn for a week, then how much does he get paid per hour ?
$20
200
Use y = 250(1.2)^t What is the growth factor?
What is 1.2
300
Solve the following quadratic equation by using the quadratic formula: x2 - 9x + 20 = 0
x = 5 x = 4
300
Find the vertex of f(x)=5x2+2x-2
(-1/5,-11/5)
300
Tell whether the function is linear and turn it into standard form of linear equation: y=x+3
Yes can be written as -x+y=3
300
If you have an equation written in standard form
like this:
2x + 6y = 12
How should you set up a table to quickly figure out
how to graph this equation?
Plug in a zero for x
and plug in a zero for y.
300
Is the following growth or decay: f(x)= 100*(1.4)^x
What is growth
400
Solve the following quadratic equation by factoring. x2 - 6x - 27 = 0
x = 9 x = -3
400
Solve the following quadratic equation by using square roots: x2 -9 = -8
1 or -1
400
Write this equation in point slope form & in slope intercept form: slope=-4, (-1,-2)
Point slope form: y+2= -4(x+1) Slope intercept: y=-4x -6
400
What is the slope of this line?
slope = 2
400
The value of a car was $22,000 when it was purchased. They car depreciates at a rate of 19% per year. How much will the car be worth in 8 years?
$4,076.64
500
Solve the following quadratic equation by using the quadratic formula: 4x2 - 17x - 15 = 0
x = 5 x = -3/4
500
Find the vertex of x=5y2+4y+3
(11/5,-2/5)
500
Find the slope of the equation: 6x + 5y=30
What is 6/5
500
Look at this table:
x_|_y
0 | 8
1 | 6
2 | 4
Is the slope negative, positive, zero, or undefined? How do you know?
Negative. m = -2
500
Is the following growth or decay: f(x) = -350 (1.25)^x
What is growth