Solving Equations
x+2=25
x=23
10 + 42
26
Rewrite the equation to remove the parentheses
3(x+2)
3x+6
(6-x)2+6
When x= 4
x=10
The list below shows the ages of of the Clay family.
3, 5, 9, 13, 37, 40
What is the range?
5x=30
x=6
3 x 2 + 52=
31
Factor the equation / rewrite it to include parentheses
4x+12
4(x+3)
Tom can pick 60 apples in 1 hour. How many apples can he pick in 4 hours?
a=60t
What is the independent variable? "a" (apples picked) or "t" (time)?
Time
Rachel made 15.5 cups of applesauce. One serving is 0.5 cups. What is the total number of servings that Rachel made?
31 servings
3x+2=14
x=4
(2+7) x 22 =
36
Rewrite the equation
(6 x a) + (6 x 5)
6a + 30
6(a+5)
Jake drives 50 miles per hour. If he drives for 3 hours, how many miles does he drive?
Write an equation and solve
(use "d" for distance and "t" for time)
d=50t
150 miles =50(3)
A company sold 19,824 T-shirts in a 12 month period. What is the average number of T-shirts the company sold each month?
1652 T-shirts
x2=49
x=7
(3 - 1) x 4 + 32 =
17
Factor the equation 3x + 14x
x(3+14)
Every day a factory produces 90 cars. A worker at a factory wants to know how many cars are produced for different numbers of days. The equation to represent this situation is :
c=90xd
"c" is for cars and "d" is for days
What is the dependent variable?
c, the number of cars
The formula to convert "F" degrees Fahrenheit to "C" degrees Celsius is :
C=5/9(F-32). A meteorologist's forecast for the high temperature is 68* F. Convert this temperature to Celsius.
20* Celsius
2x+1+6x=73
x=9
(4 + 32) x 10 =
130
Write two equations that represent the AREA of combined rectangles with a
length : (m + 15)
width : (1/3)
1/3(m+15)
(1/3 x m) + (1/3 x 15)
1/3m + 5
The x-axis has the dependent or independent variable?
Independent
Tim and his family are going to a museum. A parking pass will cost $10. Each ticket to the museum will cost $40. Tim's family will buy 1 parking pass and "t" tickets. Write an equation that represents the total cost of parking and tickets.
40t + 10