Writing Equations
Inequalities
Solving Equations
Vocabulary
Word Problems
100
The formula for finding the slope of any line.
What is rise divided by run?
100
x + 4 > -7
x > -11
100
Simplify the expression:
4x + 10x - 2x
12x
100
The point where the line crosses the y-axis on a coordinate grid.
What is the y-intercept?
100
The rate at which a airplane is traveling in the equation d=450t, with d representing miles and t representing hours.
What is 450 miles per hour?
200
The equation that describes the cost, "c", to buy "n" number of video games for $50 each and purchase the game system for $350.
What is c=50n+350?
200
2 > x/7
14 > x
200
Simplify the expression
3(2x - 7)
6x - 21
200
A relationship where there is a constant rate of change between two variables.
What is a linear relationship?
200
The science club is selling puzzles to raise money. The supplier charges a one-time fee of $55 for each order and $10 for each puzzle. The amount of money spent if they need to buy 24 puzzles.
What is $295?
300
The equation of this table:
x 2 20 22 31
y 30 120 130 175
What is y=5x+20?
300
54< 45-3x
-3 > x
300
Solve for x
23=6x-19
What is x=7?
300
A number that is multiplied by a variable.
What is a coefficient?
300
Johnny needs 1000 tomatoes to win a contest. His plants produce 115 each week. He already has 55 tomatoes. The amount of time needed to have at least 1000 tomatoes.
What is 9 weeks? (8.21 weeks also acceptable)
400
The y-intercept of this line:
What is -3
400
Write an inequality to represent this situation:
Stephen has at least $12 in his lunch account. He buys lunch for 3 dollars and wants to buy cookies for $0.50 each.
12 ≥ 3 + 0.5x
400
Solve for x
x/3-5=30
105
400
The point where x and y are the same values for two equations involving the same variables.
What is a point of intersection?
400
A video rental store has two plans... 1. Members pay a yearly $20 membership fee and then $2 per movie. 2. Nonmembers pay $4.50 per movie. The number of movies rented each year to make buying the membership a good idea.
What is 8 movies?
500
The equation of a line that passes through the points: (-2,-10) and (8,25)
What is y=3.5x-3
500
Solve the inequality for the number of cookies Stephen can buy. Then graph the inequality.
Stephen has at least $12 in his lunch account. He buys lunch for 3 dollars and wants to buy cookies for $0.50 each.
18 ≤ x
500
Solve for x
-2(3x+5)= 2
x= -2
500
A number that is not multiplied by a variable, but is added/subtracted in an equation.
What is a constant?
500
The equation and solution for the following situation: The difference between 50 and 3 times a number, n, is 17.
What is 50-3n=17 and n=11 OR 3n-50=17 and n=22.333