Functions
Solving
Linear Lines
Systems
Random
100
f(x) = 2x + 4
x = 4
f(4) = 12
100
x + 4 = 23
x = 19
100
What is the slope and the y-intercept?
Slope (m) = 3/2
y-intercept (b) = 3
100
What is the solution for this system of equations?
(2 , 3)
100
What do Mr. Anich, Mr. Beall, Mr. Trulock, and Mr. P call ourselves?
The Algebros
200
f(x) = 3x - 2(3)
x= 5
f(5) = 9
200
3x = 9
x = 3
200
What is the equation for this line?
y = 2/3x + 4
200
Rearrange the equation into slope-intercept form (y=mx+b)
4x + 2y = 6
y = 2x + 3
200
What does a quadratic/parabola look like?
300
f(x) = x2 + 3x
x = 6
f(6) = 54
300
9x + 34 = -2
x = -4
300
What is the equation for this line?
y = -2x + 3
300
Rearrange this equation into slope-intercept form
14x + 3y = -24
y = 14/3x - 8
300
How many solutions does y = 3x - 3 have?
Infinite
400
f(v) = -3v2 - 2v + 6
v = -2
f(- 2) = -2
400
13x - 27 = 2x + 6
x = 3
400
What is the equation of this line?
y = -4
400
Typically, how many solutions does a system of linear equations have?
Usually one (sometimes none or infinite)
400
What is a coefficient?
Any number multiplied by a variable
500
f(q) = q2 - 23
f(q) = 2
q = 5
500
14 - 4x = 7 (-8x +2)
x = 0
500
What is our equation, if the slope of the line is m = 3 and the line goes through the point (-3, -5)?
y = 3x + 4
500
Find the solution for these two lines
y = 6x - 3
y = -x + 4
(1 , 3)
500
Which one of these graphs is not a function? Why?
The circle, because it doesn't pass the vertical line test.