Lesson Linear equations TEST
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Algebra: Linear Equations, Graphs, Slope
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READING MATERIAL: Linear equations are equations involving only one variable, like x or y, and they do not involve anything complicated like powers, square roots, or anything like that. (4 POINTS) PROBLEMS: DIRECTIONS: Solve using equations. X=sacks. Show your work Bob has three sacks of apples and three more apples in his pocket. Each sack contains the same number of apples. Altogether, Bob has 33 apples. How many apples are in each sack? Write a equation to help you solve. x=sacks ______________________________________________ (2POINTS) DIRECTIONS: Solve. Show your work. 4x = 44 _______ _____________________________________ (2 POINTS) DIRECTIONS: Solve. Show your work. x - 7 = 12 _____________________________________________ (2 POINTS) DIRECTIONS: Solve. Show your work. 3x - 5 = -26 _____________________________________________ DEFINE THE FOLLOWING TERMS: (WORTH 3 POINTS EACH) Ceofficiant: Like Terms: (IT DOES NOT HAVE TO BE EXACT, JUST SO YOU KNOW WHAT IT MEANS) -------------------------------------------------------------------------------------------- (WORTH 3 POINTS) Bernie counted the cars and motorcycles that passed his house in 45 minutes. He counted 29 vehicles and 82 tires. How many motorcycles passed his house? 6 10 12 17 -------------------------------------------------------------------------------- (Worth 3 points) Lines A and B form a linear system. Line A has an undefined slope and an x-intercept of (0, 0). Line B also has an undefined slope and has an x-intercept of (-4, 0). How are these lines characterized? parallel intersecting coincidental not enough information (WORTH 3 POINTS) 25 During a hike, Vijay saw a total of 13 birds and butterflies. Knowing that birds have 2 wings and butterflies have 4 wings, he counted 46 wings. Use a model to determine how many birds he saw. 1 3 6 8 -------------------------------------------------------------------------------- (Worth 3 points) For breakfast, the cafeteria offers scrambled eggs with one slice of toast or an egg sandwich made with two slices of toast. In fifteen minutes, they sold 28 breakfasts and used 47 slices of bread. Use a model to determine how many egg sandwiches they sold. 16 17 18 19 ---------------------------------------------------------------- (Worth 3 points) Gina is deciding between two new cars. The non-hybrid model she likes costs $14,000 plus $0.22 per mile. The hybrid model she likes costs $24,000 plus $0.13 per mile. She plans to buy another new car when the odometer reaches 80,000 miles. Graph the system of linear equations to determine which car is a better financial choice. The hybrid vehicle is a better value. The standard vehicle is a better value. Either − after that amount of time, she will have spent the same amount. Not enough information. -------------------------------------------------------------------------------- (Worth 3 points) After the softball game, Alise's coach bought each of the 15 players a double-scoop or triple-scoop ice cream cone at the local ice cream shop. The coach bought a total of 36 scoops of ice cream. Use a model to determine how many girls got a triple-scoop ice cream cone. 6 7 8 9 -------------------------------------------------------------------------------- Worth 3 points) A test consists of multiple choice questions worth 4 points and essay questions worth 8 points. The test has 22 questions that are worth a total of 100 points. Use a model to determine how many multiple choice questions are on the test. 14 16 19 22 ------------------------------------------------------------------------------------------ GOOD LUCK WITH YOUR RESULTS!
