Algebra 1 Warm Ups 10/9

10/9 Write an expression equivalent to The sum of three consecutive integers is 46. What is the value of the largest integer? . 3. A submarine starts 2 miles below sea level and ascends at a rate of 0.5 miles per minute. This function can be modeled by f(t) = 1/2t - 2, where t is the time after the submarine begins to ascend. What is an appropriate domain for this function? Anything greater than 0. Anything greater than -2. Anything greater than or equal to 0.

10/10 The graph shows a typical infant’s weight for the first 12 days after birth. The slope of the line between points Q and R represents the… Average amount of weight gained per day from day 5 to day 8 The total amount of weight gained from the 5th day to the 8th day Total amount of weight gained per day from birth to the 8th day. 2. Solve for z: 3. Write a system of equations to represent the scenario. DO NOT SOLVE. Presley has $2.45 in change. She only has quarters (25 cents) and dimes (10 cents). She has 22 coins total.

10/11 Which number is irrational? √4/9 √121 √20 2. Which of the following does NOT represent a function? B. c. 3. Write a system of equations to model the scenario: A printing company will charge $15 plus $0.15 per copy. A different company would charge $10 and $0.25 per copy.

10/12 What is the perimeter of the house shape? Brooke is buying art supplies and has $55 dollars to spend. Each sketchpad costs $11 dollars and each paint brush set costs $6. Write an inequality that represents how much she can spend. DO NOT SOLVE. 3. A printing company will charge $15 plus $0.15 per copy. A different company would charge $10 and $0.25 per copy. For how many pages will the cost be the same regardless of which company is used? How much will it cost?