Slope/Slope Int
Find the slope
(2,-4) and (3, -2)
m=2
Write the equation in slope intercept form
y-3=2/3(x+6)
y=2/3x+7
What is the domain and range?
Domain is set of x values. Range is set of y values
Solve
-7(x-2)-8=-10x+3
x=-1
Solve
x^2-3=6
x=3, -3
What is the slope of a vertical line?
Undefined
Write the equation of the line in slope intercept form
6x-2y=8
y=3x-4
What does the parent function x2 look like?
U shape
Solve
7x^2=175
x=5, -5
Solve for h
x=ah+y
h=(x-y)/a
Write the equation of the line in slope intercept form
(3, -2) , slope=2/3
y=2/3x-4
Find the x and y intercepts
3x-4y=24
x-int: (8,0)
y-int: (0, -6)
Does a circle pass the vertical line test?
No
Solve
abs(3x+2)-4=7
x=3, -13/3
Solve
abs(-2x+3)-5=10
x=-6, -9
Write the equation of the line perpendicular to y=2x-4 through the point (6, -2)
y=-1/2x+1
Write the equation of the line in slope intercept form
7x-6y=24
y=7/6x-4
Evaluate the function at f(2)
f(x)=-2abs(2x-6)
f(2)=-4
Solve
-3(-2+5x)=2(4-5x)-2-5x
Infinite solutions
Solve
6(-2x-3)=3(5-4x)
No solutions
Write the equation of the line through
(-3, 5) and (1, 3)
y=-1/2x+7/2
Write the equation in slope intercept form
y+2=-3/5(x-2)
y=-3/5x-4/5
Evaluate the function at f(-1)
f(x)=-x^2+2x-3
f(-1)=-6
Solve
3abs(5x-4)+1=3
x=14/15, 2/3
Solve
-2abs(3x+2)=6
No solutions