Vocabulary
This variable is the one that is determined by the other.
Dependent variable.
Write an I, E, or E with a variable to represent the situation below.
The sum of a number and 15 is greater than 40.
x + 15 = 40
Simplify 2b + - 4b - 10 + 6
-2b - 4
On which axis of a graph must the independent variable be placed? (DON'T SAY BOTTOM)
The x axis.
Write an inequality with a variable to represent the comparison below.
Matt drinks at least twice the amount of soda as Gina each day. Last week Matt drank 10 sodas.
10 > 2G OR 2G < 10
Find the solution to the inequality (SHOW YOUR WORK)
3m + 2 > 11
3m + 2 > 11
-2 > -2
3M > 9
/3 > /3
M > 3
The parts of an equation or expression separated by addition or subtraction.
A) constant B) Coefficient c) Terms D) Variable
C) Terms
Ryan is taking a road trip and knows that his mean spedd will be 70 miles per hour. Tina says the amount of time he drives will help them determine how far they go.
Name the independent and dependent variables.
Independent vairable = time driven
Dependent variable = distance
The product of a number and 4, increased by 5 less than 10 is 21.
4x + (10 -5) = 21
The equation below represents the amount of money Tammy earned yesterday at her job. Solve the equation for "h" to find the number of hours she worked. Show your work.
9h + 10 = 55
9h + 10 = 55
-10 = -10
9h = 45
/9 = /9
h = 5
Charlotte creates 4 squishies each hour she has free time after school on Tuesdays. She wrote this equation for her teacher: 4t = S
Identify each variable
T = Independent variable
S = Dependent variable
Write an equation to represent the relationship below.Use h to represent hours worked, and m to represent money earned.
Hours worked: 1, 3, 5, 6,
Money earned: 9, 27, 45, 54
9h=m
Alyssa has a triangle with an area of 15 inches2. She knows that the base is 6 inches.
Write an equation with a variable (h = height) to represent the area, then solve to find the missing side length. SHOW YOUR WORK
6h /2 = 15
x2 = x2
6h = 30
/6 = /6
h = 5
>
Greater than or equal to
Timmy claims he can run 200 yards in 20 seconds.
Identify each variable AND write an equation with a variable to represent how far Timmy can run FOR ANY NUMBER OF SECONDS.
Seconds = independent variable
Yards = dependent variable
10s = y
Ryan paid $10 to enter the county fair. He then bouth tickets to go on rides. Use the table below and write an equation with a variable to represent the total amount spent on any number of rides.
Tickets: 0, 2, 4, 6, 8
Money: 10, 14, 18, 22, 26
2t + 10 = money spent
Use the distributive property to write an equivalent expression. Hint: use the greatest common factor
3x - 33
3(x - 11)