Unit-test

DATE:

Math Test – Chapter -- Hershman --

NAME:

(1)

Instructions Your process on each question is worth one point. Include any paper used stapled to this test. You are on your honor to take the test with no cheating or help.

Question 1: (7.2.1) Solve the system with substitution and check your solution. y = 25 + 30x y = 15 + 32x

Question 2: (7.1.2) Solve the system of equations below by graphing. y =x+1 y = −x − 3

Question 3: (7.3.1) Pick the best method for solving the system of equations, solve it, and explain your choice of method in a sentence or two. 1 2x

− 32 y =

3 2x

+ 2y = −25

7 3

Question 4: (7.123) Cora has a stand for anchovies and liver. She pays folks two bucks to eat anchovies, four to eat liver. It’s gross. If she pays a total of $606 dollars to two hundred five people, how many of them ate anchovies? 1. Write a system of equations to model the problem

2. Answer the question Question 5: (7.2.1) Use substitution tell how many solutions there are to the system of equations below P = −12000 + 2.5N P = −500 + 1.6N

Question 6: (7.5) Solve the system by graphing. y≥2 x > −1

Question 7: (7.1.1) Graph the system y = 2x − 4 and y = −2x − 4, explain how to use the graph to find the number of solutions to the system

Question 8: (7.5) Solve the system by graphing. y − 2x < 3 2y − x ≥ 2

Question 9: (7.123) Car1 leaves Pierre, South Dakota (the capital) at 10 am driving 60 miles per hour towards Bismarck, North Dakota (the capital). Car2 leaves Bismarck, ND for Pierre, SD at 11am travelling 70 miles per hour. The distance from Bismarck to Pierre is about 208 miles according to google maps. At what time will the cars cross? 1. Write a system of equations to model the information in the problem

2. Answer the question

Question 10: (7.3.1) Solve the system of equations with elimination. 2x + 3y = 10 3x + 4y = 15

DATE:

Math Test – Chapter -- Hershman --

NAME:

(2)

Instructions Your process on each question is worth one point. Include any paper used stapled to this test. You are on your honor to take the test with no cheating or help.

Question 1: (7.5) Solve the system by graphing. y≥2 x > −1

Question 2: (7.3.1) Pick the best method for solving the system of equations, solve it, and explain your choice of method in a sentence or two. 1 2x

− 32 y =

7 3

3 2x

+ 2y = −25

Question 3: (7.2.1) Solve the system with substitution and check your solution. y = 25 + 30x y = 15 + 32x

Question 4: (7.3.1) Solve the system of equations with elimination. 2x + 3y = 10 3x + 4y = 15

Question 5: (7.1.1) Graph the system y = 2x − 4 and y = 2x + 3, explain how to use the graph to find the number of solutions to the system

Question 6: (7.5) Solve the system by graphing. y − 2x < 3 2y − x ≥ 2

Question 7: (7.1.2) Solve the system of equations below by graphing. y =x+1 y = −x − 3

Question 8: (7.2.1) Use substitution, tell how many solutions there are to the system of equations below 8x + 2y = 13 y = 11 − 4x

Question 9: (7.123) Cora has a stand for anchovies and liver. She pays folks two bucks to eat anchovies, four to eat liver. It’s gross. If she pays a total of $606 dollars to two hundred five people, how many of them ate anchovies? 1. Write a system of equations to model the problem

2. Answer the question Question 10: (7.123) Car1 leaves Pierre, South Dakota (the capital) at 10 am driving 60 miles per hour towards Bismarck, North Dakota (the capital). Car2 leaves Bismarck, ND for Pierre, SD at 11am travelling 70 miles per hour. The distance from Bismarck to Pierre is about 208 miles according to google maps. At what time will the cars cross? 1. Write a system of equations to model the information in the problem

2. Answer the question