1. Algebra TEXAS StyleA1warmup21 Algebra 1 Warm-up 21

2. Algebra TEXAS StyleA1warmup21 1.What is the slope of a line that is parallel to 2x + 3y = 8?

3. Algebra TEXAS StyleA1warmup21 2. Which of the following would not be an effective process to solve this system of equations? 3x + 2y = -1 x + 3y = -5 A.Combine the first equation with –3 times the 2 nd equation. B.Solve the second equation for x and substitute into the first equation. C.Combine the first equation with the second equation. D.Multiply the 2 nd equation by 3 and subtract the resulting equation from the first equation.

4. Algebra TEXAS StyleA1warmup21 3. What is the solution to the system shown in the tables below? A.(-7,2) B.(1,10) C.(-3,4) D.(9,21) xy 1-6 3-11 5-16 7-21 xy -72 -51 -34 7 110

5. Algebra TEXAS StyleA1warmup21 4. Bill is a waiter at Granny’s Kitchen. He earns $4 per hour plus tips. On most Saturday evening shifts he serves an average of 10 tables per hour. During last Saturday evenings 4-hour shift, he earned $118. What is the mean tip per table? A.$2.55 B.$2.85 C.$7.80 D.$10.20

6. Algebra TEXAS StyleA1warmup21 5. A paperweight is a snow globe in the shape of a cube of side length 3 in. It contains a solid sphere with a diameter of 2 in. What is the approximate volume of liquid that the snow globe contains? A.6.5 in 3 B.22.8 in 3 C.24.9 in 3 D.3.1 in 3

7. Algebra TEXAS StyleA1warmup21 6. A circle is cut from the center of a larger cardboard circle. As the size of the center circle increases, the remaining area decreases. xxx Small circle r = 1Small circle r = 3Small circle r = 2 Continuing this pattern, what is the difference between the remaining area of the 2 nd circle and the 5 th circle? A. 3π B. 6π C.21π D.23π

8. Algebra TEXAS StyleA1warmup21 7. Jill, Michelle, Sandy and Rhonda went shopping. Jill spent $10 more than Michelle. Michelle spent twice as much as Sandy. Sandy spent $5 less than Rhonda. They spent a total of $135. How much did Michelle spend?

9. Algebra TEXAS StyleA1warmup21 8. Roger has an soft serve ice cream stand. He serves only 4 flavors, vanilla, chocolate, strawberry, and butter pecan. He recorded the sales from this past weekend. Vanilla – 21, chocolate – 19, strawberry – 8, and butter pecan – 12. What percent of the sales were for butter pecan? A.12% B.20% C.24% D.33%

10. Algebra TEXAS StyleA1warmup21 9. Roger has an soft serve ice cream stand. He serves only 4 flavors, vanilla, chocolate, strawberry, and butter pecan. He recorded the sales from this past weekend. Vanilla – 21, chocolate – 19, strawberry – 8, and butter pecan – 12. If Roger puts this data in a circle graph, what is the number of degrees needed for the sector representing chocolate? A.114° B.31.7° C.52.8° D.136.8°

11. Algebra TEXAS StyleA1warmup21 10.Juanita is in a college class. The final grade consists of 60% of the mean of 3 tests and 40% of the final exam. Her 3 test grades are 96, 85, and 83. What must she make on the final exam to have at least a 90 average?

12. Algebra TEXAS StyleA1warmup21

13. Algebra TEXAS StyleA1warmup21 A1warm-up21 1Bobj 3A.6B.Ac2B 2Cobj 108.15A 3Cobj 4A.8B Ac4B 4Aobj 108.14A 5Bobj 108.14C 6Cobj 108.14B 740obj 108.14C 8Bobj 98.12A 9Aobj 98.12C 10 93obj 98.12A