4x + 8x
12x
2x + 7 = 15
x = 4
What is the first step to solving a proportion?
Cross Multiply
x>2
Open circle to the right
What is the location of point A?
(2,7)
35
243
12 - 3x + 4
-3x + 16
x/(3) - 4 = 0
x=12
a/7 = 5/6
x= 5.83
Solve and graph:
2x+3<7
x<4
open, left
What is the location of point F?
4 + 5 x 3 - 2
17
3(x - 3) + 3
3x - 6
3(x-5)=30
x=15
2/(x+2) = 6/3
x= -1
Solve and graph:
-4x<=12
x>=-3
closed, right
Graph the following line:
y= 2/3x + 4
m= 2/3
b= 4
Simplify using PEMDAS
(100 - 40) / 7 - 3
15
4(x+7) - 10x
-6x + 28
-6(1+2r) - 8r = 154
r = -8
m / (m-4) = 5/9
m = -5
Solve and graph:
x/3 - 5 < 10
x<45
right, open
Graph the following line:
y = -5/4x +2
m = -5/4
b= 2
Solve for x
(x + 2)/5 - 3 = 0
x = 13
-8x + 47
8(n+7) = 8(2n - 2)
n=9
5 / (v+1) = 8/ (v+4)
v = 4
Solve the compound inequality:
5 < 3x + 2 < 14
1 < x < 4
Graph the following line:
y = 7x + 5
m= 7
b= 5
Ms. Linda is going to the gas station to buy gas and some snacks. She spends $10 on snacks. Gas is $4 per gallon. If Ms. Linda has $34, how many gallons of gas can she afford?
Write the equation and solve.
Equation: 10 + 4g = 34
g = 6