Algebra 1 Warm Ups 10/16-10/18
10/17 Beth is two years older than Julio. Gerald is twice as old as Beth. Debra is twice as old as Gerald. The sum of their ages is 38. How old is Beth? (Hint: Write each person in terms of Betty). 2. A German Shepherd puppy weighed 2.1 pounds when she was born. She gains weight by about 2 pounds per week. The function to represent the puppy’s weight in pounds, based on t weeks, would be 𝑤(𝑡) = 2t + 2.1. What is an appropriate domain for this function? 3. Write an equation that shows the total cost based on the number of fishing poles.
10/18 Three consecutive even integers add to 48. What is the value of the highest integer? 2. Write an equation to model the table:
10/19 Solve for z: 9z - 5z - 10- 4z = 5(-5z +2)+25z 2. Solve the system of equations: x +8y = -15 7x+8y = -9