Intercepts/ Equations
(a, -4)
-5a = b -21
Solve for a.
a= 5
(6,4) (3,5)
-1/3
Write in standard form
4x+6y=10-2x
6x+6y=10
Next three terms:
6, 11, 16, 21
26, 31, 36
No calc:
-3 - (-4) + (-85)
-84
Find x-intercept:
7x + 42 = 0
x = -6
(10,6) (5,1)
1
4x = 10y - x +6
Write in standard form
5x - 10y = 6
Next 3 Terms:
1.4, 1.2, 1.0
0.8, 0.6 , 0.4
Solve:
|x+5| = -8
no solution
Find y- intercept:
-6y - 84 = 0
y = -14
(17, -8) (22,-3)
1
3x = (4y - 1)5
3x-20y=-5
Find 100th term:
2, 8, 10, 12, ...
204
If a car travels 400 miles in 5 hours, how many miles in 13 hours?
1040 miles
Find zero's:
2x +1 = y
(0,1)
(-1/2 , 0)
(-4, -6) (7,-6)
0
Graph: y=-5x
Show teacher.
Write equation:
28, 25, 22, 19, ...
an = -3n+31
Solve:
5x+5=3(5x-4)-10x
no solution
Find intercepts:
4x + 2y = 6
(3/2 , 0)
X: 4 , 4 , 4
Y: 0 , 1 , 2
undefined
Graph 2x-3y = 12
Show teacher
Write equation:
-17, -13, -9, -5, ...
an = 4n -21
Solve for x:
(x, 5) (22, 60) m=5
x = 11