Vertex Form Quadratics
Vertex: (-5,-2)
(6-4) x 49/7
14
Solve for x: 2x-4= -3x + 2
x=-6
What is the slope of the equation: y=-2x+4
Slope = -2
True or False: The first number to have a letter "a" in its spelling is 1000.
True
Does this function open up or down? f(x)= 2( x-1)2-5
Opens up: positive function.
7(4/2)2
28
Solve for x: -x- 2x -4= x+ 3x +6
x=-10/7
What is the y-intercepts of the function: 2x+4y=4
y-intercept = 1
True or False: The mathematical name for division is called DIVISIONE.
False: It is called Obelus.
Describe the horizontal transformation:
f(x)= -1/2 x ( x - 17 )2 - 2/3
17 units to the right
5( 4-3)2 - 3
2
Solve for x: 2x/4= 1
x=2
What is the x-intercept of the function: -3x-y= -9
x-intercept= 3
How long will it take to count to 1 billion?
1) More than 5 years
2) More than 15 years
3) More than 20 years
4) More than 30 years
Identify the y-intercept:
f(x)= 2(x + 2)2 - 10
y-intercept = -2
-2 x ( 4-5)3 - 5
-3
Solve for x: -1/4= 2x/5
x=-5/8
True or False: y=x is the linear parent function.
True
True of False: -40 degrees = -40 fahrenheit
True
Describe all transformations to the function:
f(x)= -1/4( x-3)2 - 1
Reflexion
Wider
3 units right
1 unit down
No x-intercepts
-1/2 x ( 2-6 ) 0 x 2
-1
Solve for x: 2x/0=4
Undefined
What is the slope of the function:
-2/3y + 5x= 7
15/2
Is zero represented in Roman numerals?
No