Proportions
When ratios are proportional, they have the same what?
Unit rate, C.O.P, Constant of proportionality
What does simplifying an expression mean?
Writing the expression in fewest terms possible
What is the goal of solving equations and inequalities? (Hint: Saying just x will not get you the points)
To get the variable by itself
Ted earns 10% commission of every sale he makes at the car dealership. If he sells 1 car for $7500, how much commission did Ted make?
$750
For EVERY word problem, you must read the problem how many times?
Three times
How do we find unit rates? (Be specific or you lose points!)
We divide y by x
Divide dependent by independent
How do we simplify expressions? Give one thing we do to simplify expressions
PEMDAS, CLT, Distribute
What magical rule exists that causes an inequality sign to flip?
Dividing or multiplying by a negative number
You go to the corner store and buy snacks for $17. The sales tax you pay is $1.36. What was the sales tax rate?
8%
What tool should you use to annotate the key information for every word problem?
Highlighter tool
10 pounds of watermelon costs $25. How much is the cost of 1 pound of watermelon?
$2.50
Simplify the expression below
3x-5x
-2x
Solve the equation below
-3x-7=20
x=-9
You buy a shirt for $30. You mark up the price by 75%. What is the retail price of the shirt?
$52.50
Which tool helps me get rid of answers that are clearly wrong?
Answer eliminator
Claire buys 5 pairs of shoes for $149.95. Each shoe costs the same. At this rate, how much would it cost Claire to buy 7 pairs of shoes?
$209.93
Simplify the expression below
5x+3y-5
5x+3y-5
Reggie spends $200 at his local game store. He buys 1 game for $70 and he spends the rest of his money on 5 accessories, each cost the same amount. Let x represent the cost of 1 accessory.
Write an equation to represent the situation above(You do not need to solve)
5x+70=200
You go to a restaurant and your subtotal comes to $50. You pay a sales tax of 8% and leave a 18% tip for your waiter. What is the total that you pay for your meal?
$63
I use this tool that is not on the computer to help me organize my work and shows my plan to solve any question Mr. Rodriguez or any teacher gives you.
Scrap paper
This is a 2-part question. You must get both parts correct to earn the points (Yes you will lose 500 points if you get 1 part right and 1 part wrong, no questions)
Tyler buys stock from Amazon. Each stock is worth $205.37. Write an equation to represent this proportional relationship, let x equal number of stocks, and y represent the cost of stocks.
Using your equation, find how many stocks Tyler bought if he spends $2500 (Round to the nearest tenth).
y=205.37x
12.2 stocks
Simplify the expression below
3x^2+5x^2-5x+3y-3z
8x^2-5x+3y-3z
This is a 2-part question. You must get both parts correct to earn the points or you lose the points, no questions asked.
Fred and his 2 friends go to the movie theater. Fred has $75 to spend. He spends $15 on movie tickets and the rest goes toward snacks, each cost $4.50. Write and solve an inequality to determine the number of snacks Fred can buy.
4.5x+15<=75
You buy a pair of sneakers for $105. You mark up the price of the sneakers by 90% and then discount the sneakers by 10%. What is the new cost of the sneakers?
$179.55
This tool, on and off the computer, helps me solve math problems quicker and more efficiently.
Calculator