Equations
3x - 7 = - 22
x = - 5
What is the slope formula?
y2 - y1 / x2 - x1
Plot the point (6, - 3)
Right 6, down 3
3/4 - 1/8
5/8
- 8(x - 2) = - 16
x = 4
Find the slope of the line:
y = 5 - 3x
m = - 3
Graph the line:
y = -1/2 x - 4
show boards
- 12 - 5
- 17
- (2x + 6) + 5x = - 9
x = - 1
Find the slope of the line that passes through the points:
(5, - 4) (- 1, 6)
m = -5/4
Find the x and y intercepts and graph the line.
3x - 2y = 12
x - int = 4
y-int = - 6
3/5 * 5/9
1/3
x + y = 7
3x - y = 1
(2, 5)
What is true about the slope of perpendicular lines?
opposite, reciprocals
Graph a line parallel to y = 2x - 1 that goes through (0, 4)
show board
3 - 4(-5 + 2) * 3
- 33
y = 8x - 1
y = -2x - 1
(0, -1)
Find the slope of the line:
3x + 5y = 25
m = -3/5
Graph the system and name solution.
y = -x + 7
y = 2x + 1
(2, 5)
Find the perimeter of a square with sides 3.5 inches.
14 inches