Slope intercept form
The equation 4x - 2y = 10 written in slope intercept form
y = 2x - 5
Turn this into Point-Slope Form
(1,2) m=3
(y-2)=3(x-1)
Put this into slope intercept form 10x - 7y =-8
y = 10/7 x + 8/7
When graphing inequalities, which symbols have an OPEN circle?
< Less Than
> Greater Than
Solving Equations
Solve for x.
x + 3 = 7
x = 4
The slope and y-intercept of the line of the equation y = 50 - 3x?
m = -3
b = 50
Put this into Slope-Intercept Form.
(y-5)=6(x-2)
y=6x+-7
y = -7x + 6 written in standard form
7x + y = 6
When graphing inequalities, which inequality symbols have a CLOSED circle?
≤ : Less Than or Equal to
≥ : Greater than or Equal to
Solving Equations
Solve for x.
12x = 216
x = 18
The equation of a line (in slope-intercept form) that has a slope of 6 and a y intercept of (0,4)?
y = 6x + 4
Put this into Point-Slope
(5,-3) M=7
(y--3)=7(x+5)
or
(y+3)=7(x+5)
Y = 7x - 9/10 written in standard form
70x - 10y = 9
do we shade up or down for x < -3 ?
Down
Solving Equations
-21 = 7(5x - 8)
x = 1
The equation of a line (in slope-intercept form) that passes through (-3, -2) and (-6, -5)
y = x + 1
Write the point-slope form for the line through (-2, 4) with slope -3
y - 4 = -3 (x + 2)
y = -9x + 4/5 written in standard form with
45x + 5y = 4
Is this a dotted or Solid line ≤ ≥
Solid
9x-8(5-3x)-24= x(7-9)-2
x=62/35
Write an equation of a line that passes through (5,6) and (0,11)
y=-x+11
Put this into Point-Slope
(16,26) M=38
(y-26)=38(x+16)
Write the equation of a line in standard form that has a slope of 3/5 and a y-intercept of 2
3x-5y=-10
-x+y ≥ -3
Shad Up or down?
Dotted or solid Line
Up
Solid
3x(2-9)+24=5(8x+9)-21
x=0