Solving Equations Pt. 1
Solve this equation:
-19 = k - 5
k = -14
Solve this equation:
m/18=7
m = 126
What is the slope formula?
m=(y-y)/(x-x)
What is point slope formula?
y -y1 = m (x - x1)
Solve each system by SUBSTITUTION:
y = 2x
7x - 7y = -21
( 3, 6 )
Solve this equation:
-4 = 6b - 2b
b = -1
Solve this equation:
64 = -4n
n = -16
Find the slope:
( 7, 4 ) ( 14, 1 )
-3/7
Write the slope-intercept form of the equation of the line through the given point with the given slope:
( -2, 5 ), m = -5
y = -5x - 5
Solve each system by SUBSTITUTION:
y = 4x - 1
3x + 2y = 20
( 2, 7 )
Solve this equation:
-3x + 8x = -20
x = -4
Solve this equation:
3 (6 - 7x) = 102
x = -4
Find the slope:
( 2, -13 ) ( 11 , 1 )
14/9
Write the slope-intercept form of the equation of the line through the given point with the given slope:
( 2, 4 ), m = 2
y = 2x
Solve each system by SUBSTITUTION:
8x - 3y = 16
y = 2x - 2
( 5, 8 )
Solve this equation:
4x - 8 + 4x = 8
x = 2
Solve this equation:
-40 + 4n = -2 (n - 1)
n = 7
Find the slope:
( 9, -8 ) ( -1, 6 )
-7/5
Write the slope-intercept form of the equation of the line through the given point with the given slope:
( 3, -1), m = 1/3
y = 1/3x-2
Solve each system by ELIMINATION:
5x - 3y = 8
-5x - 8y = 3
( 1, -1 )
Solve this equation:
11 + 2v = 6 + v
v = -5
Solve this equation:
-5a + 9 = -3 (a - 7)
a = -6
Find the slope:
( -4, -16) ( -11, -9)
-1
Write the slope-intercept form of the equation of the line through the given point with the given slope:
( 4, 2 ), m = 5/4
y = 5/4x-3
Solve each system by ELIMINATION:
-9x + 8y = 0
5x - 8y = 0
( 0, 0 )