M1 Rates and Proportional Relationships
To find constant, you divide the y value by the x value
The equation of the line is y= kx
2(-3)(-4)(-1)
*Must get the sign correct to get the points
-24
What is the value of the expression
-1/3 divided by 2/5
-5/6
If the radius of a circle is 3.5 centimeters, what is the area of that circle? Round to the nearest HUNDRETHS place. You MUST round correctly to get the points :)
Use 3.14 for PI
A= 38.47
What is an equation to help you with percent problems?
Part = Percent x Whole
1. Must form a straight line
2. Must start or go through the origin
-12 + 14 - 6 + (-2) =
-6
Which expression is equivalent to −3(2x − 8) + 4x ?
-2x + 24
If the diameter of a circle is 8 inches, what is the area? Round to the nearest TENTHS place
Use 3.14 for PI
A= 50.2
The bill for a dinner at a restaurant is $58.20, before sales tax and tip. Sales tax is 5% of the dinner bill. Tip is 20% of the dinner bill. How much is the total bill including tax and tip?
$72.75
Joseph has a part-time job. He earned $630 for 40 hours of work. Write an equation that represents how much money he makes per hour of work.
y = 15.75 x
Part. 1 What is the rule for multiplying and dividing integers?
Part 2: Use that rule to solve : (-10) / (-2)
Part 1: Even number of negative values, the answer will be positive
If there is an odd number of negative values, the answer will be negative.
Part 2: 5
A student has a bus pass with a balance of $30.00. Each time the student rides the bus, the balance on the bus pass decreases by $2.25. What is the greatest number of bus rides the student can take using the bus pass?
13 bus rides
On a map, two cities are 2.8 inches apart. The map has a scale of 1 inch to 25 miles. How far apart, in inches, would the same two cities be on a map that has a scale of 1 inch to 40 miles?
1.75
Two stores each advertise a discount on the same type of watch. At both stores, the original price of the watch was $35.00.
Store A discounts the price of the watch by 20%.
Store B discounts the price of the watch by 15%. How much less is the discounted price of the watch at Store A than the discounted price of the watch at Store B ?
$1.75
A machine in a factory makes 2 1/4 pounds of nails in 1 1/2 hours. At what rate, in pounds per hour, does the machine make nails? Write an equation to represent this relationship.
1 1/2 pounds per hour
y = 1 1/2 x
Part 1:
What is the rule for adding SAME SIGN integers?
Part 2.
What is the rule for adding DIFFERENT SIGN integers?
Part 3:
Use that rule to solve (-12) + (-5) AND
-12 + 5
Part 1:
Add the numbers, keep the sign
Part 2: Subtract the numbers and keep the sign of the number with the greater absolute value
Part 3: -17 and -7
Katelyn wants to buy a $75.00 skateboard. She has $25.00 saved so far. She mows lawns to make extra money and earns $20.00 for each lawn she mows. Which inequality can be used to determine the number of lawns, x, she needs to mow to have enough money to buy the skateboard?
A 25 + 20x < 75
B 25+20x ≥ 75
C 20+25x < 75
D 20+25x ≥ 75
B
Find the value:
-1 1/2 + (-7/8) + (-3/4)
-27/32
A store manager collects information about the number of people who visit his store each week. The information, collected over a 3-week period, is listed below.
The number of people that visited the store in week 1 was 3,200.
The number of people that visited the store in week 2 was 10% more than week 1.
The number of people that visited the store in week 3 was 15% more than week 2.
How many people visited the store in week 3 ?
4,048
A cook uses 1 3/4 teaspoons of salt to make 3 1/2 pounds of pasta. What is the unit rate, in teaspoons per pound, at which the cook uses salt to make pasta?
1/2
Part 1:
What is the rule for subtracting integers?
Part 2:
Use that rule to solve (-4) - (-19)
Part 1:
Change subtraction to addition by adding the opposite of the number behind it
Example: -4 + 19
Part 2:
15
Maria and two friends are at a movie theater. They have $52.00 and spend $34.50 of it on movie tickets. They also buy 3 drinks that each cost the same amount. After buying the movie tickets and drinks, they have $4.00 remaining. How much did each drink cost?
$4.50
Pt 1: Solve the inequality:
4 - 4x > 16
Pt 2: Would this answer have an open or closed circle if graphed?
* IF THE COEFFICIENTS NEGATIVE, YOU MUST FLIP IT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Part 1: x < -3
Part 2: open circle
Mr. Jensen purchased an airline ticket on a web site. The original price of the airline ticket was $473.00. He used a coupon code to receive a 20% discount. A sales tax of 12% was applied after the discount. What was the total purchase price of the airline ticket after the discount, including sales tax?
$423.81